Non-Calculator Algebra - Wikispaces Algebra... · · 2016-11-14Non-Calculator Algebra Exercise...
Transcript of Non-Calculator Algebra - Wikispaces Algebra... · · 2016-11-14Non-Calculator Algebra Exercise...
Non-Calculator
Algebra Exercise Book
CfE Level 4 Expressions and Equations (4.14, 4.15)
National 5 Expressions and Formulae
Name ________________
Non-Calculator Algebra Sheet 1 Due Date _______________________________
A. Simplify:-
1. 5(2x + 6) 2. 5(3 – 4y) 3. 2x(6 + x) 4. 5 – 2(x – 4)
5. 25 2a b b 6.
24 6x y x 7. 5 10y y 8. 24
2
x
x
9. 3
5 5
y 10.
4 6
y y 11.
3 2
6 7
x x 12.
7
7
x
x
B. Solve :-
13. 3(x + 2) = 15 14. 4(5 – x) = x 15. 4
5( 4)2
xx
16. 4x + 5 > 17 17. 3( 1) 2( 4)x x 18. 12 - x > 5x
19. 2 36x 20. 22 18x 21. 15
5 3y
Non-Calculator Algebra Sheet 2 Due date _______________________________
A. Simplify:-
1. 2x(2x + 5) 2. 7(3x – 4y) 3. 2y(9 – 3x) 4. 12 – 2(x – 7)
5. 37 3a b b 6.
25 6x y xy 7. 25 100y y 8.
59
6
x
x
9. 3
7 7
y 10.
6 9
y y 11.
3 2
5 8
x x 12.
6
7
y
p
B. Solve :-
13. 3(x - 2) = -12 14. 7(9 – x) = 2x 15. 6
5( 3)2
xx
16. 4x + 5 ≤ 17 17. 3( 1) 2( 4)x x 18. 21 - 2x > 5x
19. 2 144x 20. 22 450x 21. 8
4 8y
Non-Calculator Algebra Sheet 3 Due date _______________________________
A. Expand and simplify:-
1. 2(x - 4) -7(2x + 5) 2. (x + 4)(x + 6) 3. (2y+3)(y – 3) 4. (3x – 6)(2x – 5)
5. 5 29 3a b b 6.
2 72 5x y xy 7. 2(5 )y 8.
9
4
12
8
x
x
9. 3
6 9
y 10.
2
4 6
x x 11.
3 2
3 7
x x 12.
6
7
p
p
B. Solve :-
13. 3(x - 2) = -1(x+ 3) 14. 7(9 – x) = -2x 15. 5
5( 1)3
xx
16. 2(x + 5) ≤ 17 17. 3(1 ) 2( 4)x x 18. (x + 1)(x + 5) = x(x + 5)
19. 2 81x 20. 22 8x 21. 7
3 16y
Non-Calculator Algebra Sheet 4 Due date _______________________________
A. Expand and simplify:-
1. 2(x - 3) -7(2x + 3) 2. (x + 3)(x - 3) 3. (3y + 3)(y – 3) 4. (3x – 3)(2x – 3)
5. 6 89 7a b b 6.
7 6 27 4x y x y 7. 2(7 )y 8.
9
2
16
6
x
x
9. 3
10 15
y 10.
2
6 8
x x 11.
3 2
5 7
x x 12.
4
9
p
p
B. Solve :-
13. 3(x - 8) = -1(x + 3) 14. 7(6 – x) = -2x 15. 5
4( 1)3
xx
16. 2(x + 9) ≤ 17 17. 3(2 ) 2( 5)x x 18. 2(x + 1)(x + 5) = x(2x + 5)
19. 2 49x 20. 22 18x 21. 7
5 16y
Non-Calculator Algebra Sheet 5 Due date _______________________________
A. Expand and simplify:-
1. 2(5x - 3) -8(2x + 3) 2. (x + 0.5)(x – 0.5) 3. (4y + 4)(y – 4) 4. (3x – 1)(5x – 1)
5. 8 2 810 7a b b 6.
3 3 4 56 3x y x y 7. 3(2 )y 8.
8
5
14
7
x
x
9. 2
12 5
y x 10.
7
9 6
x x 11.
3 2
7 21
x x 12.
m n
p q
B. Solve :-
13. 2(x + 9) ≤ - 7 14. 3(2 ) 2(5 )x x 15. 3(x + 1)(x + 5) = x(3x + 5)
16. 2 49x 17. 22 18x 18. 7
5 16y
C. Change the subject of each formula to y :-
19. 4 5x y 20. 3 4 9x y 21. 3ty
xm
Non-Calculator Algebra Sheet 6 Due date _______________________________
A. Expand and simplify:-
1. 4(3x - 3) -5(4x + 4) 2. (x + 0.1)(x – 0.1) 3. (5y + 3)(y – 3) 4. (6x – 1)(5 – x)
5. 5 8 25 7a b b 6.
6 3 4 24 8x y x y 7. 3(3 )y 8.
9
4
18
9
x
x
9. 2
7 5
y x 10.
7
12 8
x x 11.
3 2
6 15
x x 12.
a b
c d
B. Solve :-
13. 2(x - 9) ≤ - 7 14. 5(2 3 ) 2(7 )x x 15. 4(x + 1)(x + 2) = x(4x + 5)
16. 2 16x 17. 22 72x 18. 4
5 6x
C. Change the subject of each formula to y :-
19. 2 4 5x y 20. 3 4 9x y 21. 7yp
xw
Non-Calculator Algebra Sheet 7 Name _______________________________
A. Expand and simplify:-
1. 2(5x - 3) -3(4x - 1) 2. (x + 10)(x – 10) 3. (7y + 2)(y – 2) 4. (2x + 1)(5 – x)
5. 2 3 44 6a b b 6.
3 4 5 62 9x y x y 7. 4(2 )y 8.
7
2
18
6
x
x
9. 2
9 5
y x 10.
3
12 8
x x 11.
3 2
4 6
x x 12.
e f
g h
B. Solve :-
13. 2(y - 4) ≤ - 3 14. 2(3 ) 3(7 )x x 15. 2(x + 2)(x + 1) = x(2x + 5)
16. 2 169x 17. 25 45x 18. 5
6 4x
C. Change the subject of each formula to y :-
19. 4 5x y 20. 3 4 9 0x y 21. 2
3yt
xw
Non-Calculator Algebra Sheet 8 Due date _______________________________
A. Expand and simplify:-
1. 6( 12 x - 3) -3(4 - x) 2. (x + 2 )(x – 2 ) 3. (7y - 3)
2 4. (x + 1)(x + 2)(x +3)
5. 12 7 213
6a b b 6. 2 3 4 515
2x y x y 7. 32(2 )y 8.
6
5
21
6
x
x
9. 2
6 5
p x 10.
3 3
12 8
x x 11.
3 2
4 6 2
x x x 12.
1 1
4 6x y
B. Solve :-
13. 2(y - 4) ≤ - 3(y - 2) 14. ( 3)( 4) 0x x 15. (2x + 5)(x - 1) = 0
16. 2 100 0x 17. 2 6 0x x 18. 3 1
94x
C. Change the subject of each formula to y :-
19. 5y + 3 – 2x = 0 20. 3 4 9 0y x 21. 2t
psty
Non-Calculator Algebra Sheet 9 Due date _______________________________
A. Expand and simplify:-
1. 8( 14 x - 3) -3(4 - x) 2. (x + 3 )(x – 3 ) 3. (5 - 3y)
2 4. (x + 2)(x + 3)(x -4)
5. 8 9 217
14a b b 6. 6 7 225
10x y x y 7. 43(2 )y 8.
9
4
24
9
x
x
9. 2
4
p x
y 10.
7 3
10 8
x x 11.
3 2
( 2) ( 1)x x
12.
1 2
4 3
y
B. Solve :-
13. 4(y - 6) ≤ - 7(y - 1) 14. ( 9)( 1) 0x x 15. (2x - 7)(3x + 1) = 0
16. 24 36 0x 17. 2 9 18 0x x 18. 2 −3
𝑥= −
1
5
C. Change the subject of each formula to y :-
19. 5 + 3y – 2x = 0 20. 3 4 9 6y x 21. 2
5t
xyy
Non-Calculator Algebra Sheet 10 Due date _______________________________
A. Expand and/or Simplify:-
1. (4x – 5y)2 2. (x + 1)(x + 2)(x + 3) 3. 4 9 7 21
414a b a b 4.
1 3
2 26 7a a
5. 5 3
2
y y
y
6. 6 7 22
510x y x y 7.
3 43(2 )y 8.
1
2
1
4
14
6
x
x
9. 6 8
x x 10.
7 3
y y 11.
3 2
5 6
x x 12.
3 5
4x x
B. Rationalise the denominator :-
13. 5
3 14.
2 5
2 15.
3
7 2
C. Solve :
16. 29 25 0x 17. 2 6 9 0x x 18. 26 1 0x x
D. Change the subject of each formula to y :-
19. 6 - 2y + x = 0 20. 2
22
yx
r 21.
2 360
y
r
Non-Calculator Algebra Sheet 11 Due date _______________________________
A. Expand and/or Simplify:-
1. (4x – √7)2 2. 5√2 + √18 + √50 3. 1 3 23
420a b ab 4.
3 3
5 5100 0.7a a
5. 2 3
7
y y
y
6. 6 7 42
515x y x 7.
7 3(3 )y 8.
2
3
1
5
x
x
9. 5
6 6
m m 10.
4 9
y y 11.
8 2
5 6
x
x 12.
3
4 6
x
x
B. Evaluate :-
13. 24 14.
1
327
15.
3
225
C. Solve :
16. 24 6 0x x 17. 2 6 9x x 18. 26 0x x
D. Change the subject of each formula to y :-
19. x = 15 - 3y 20. 2
25
yx
r 21.
2 10x r y
Non-Calculator Algebra Sheet 12 Due date _______________________________
A. Expand and/or Simplify:-
1. (3x – √7)(2x + √7) 2. (4 – 3x)(2x – 1) 3. ( 2x – 1 )3 4. 5x
3 × 4x
-5
5. 5
2
6
9
y
y 6.
2 15 53 4x x
7.
15 3(5 )y 8. 2 3 7 81
43a b a b
9. 3 5m
y y 10.
5 7
7 3
x y 11.
3 5
2 7x x 12.
2
5 15
8 4x x
B. Evaluate :-
13. 52 14.
1
3125
15.
3
216
C. Solve :
16. 28 20 0x x 17. 2 2 15x x 18. 210 2 0x x
D. Change the subject of each formula to y :-
19. 5x = 15 - 10y 20. 2
27
yr
r 21.
21 10x r y
Non-Calculator Algebra Sheet 13 Due date _______________________________
A. Expand and/or Simplify:-
1. (7y – √3)(7y + √3) 2. 8(3 – 2x)2 3. (3x
5)2 4. 9x
11 × 4x
-3
5. 5
8
12
9
y
y 6.
327 76 4x x
7.
12 4(3 )y 8. 2 3 7 71
93a b a b
9. 3 5
2m m 10.
2( 1) 3
4 3
x x 11.
7 5
10 7
y
x x 12.
3
6 9
7 14x x
B. Evaluate :-
13. 52 14.
2
3125
15. 3
24
C. Solve :
16. 25 20 0x x 17. 2 5 24x x 18. 26 7 3 0x x
D. Change the subject of each formula to y :-
19. 6x = 6 - 6y 20. 2
27r
yr 21.
22 1 10x r y
Non-Calculator Algebra Sheet 14 Due date _______________________________
A. Expand and/or Simplify:-
1. (y – √7)(y + √7) 2. 3(4 – 2x)2 3. (2y
5)4 4. 8x
11 × 8x
-3
5. 7
2
15
9
y
y 6.
527 76 8x x
7.
13 5(2 )y 8. 2 3 1 71
510a b a b
9. 2 5
3 7y y 10.
2(3 ) 3
5 3
x x 11.
7 5
10 7
x x
y 12.
2
3
6 15
7 14
x
x
B. Evaluate :-
13. 410 14.
3
225
15.
11
29
C. Solve :
16. 212 28 0x x 17. 2 7 12x x 18. 22 5 12 0x x
D. Change the subject of each formula to y :-
19. 24x = 12 - 6y2 20.
2
6 2
5
r
yr 21. 2
360
ya r
Non-Calculator Algebra Sheet 15 Due date _______________________________
A. Expand and/or Simplify:-
1. (y – √6)(y - √6) 2. 3(4 – x)2 3. (2y
5)-3
4. 5x-4
× 8x-3
5. 3
2
15
21
y
y
6.
347 790 2x x
7.
15 3(2 )y 8. 2 3 3 71
721a b a b
9. 7 5
3y y 10.
3(9 ) 5
5 3
x x 11.
7 5
15 21
x x
y 12.
2
7
9 15
21 14
x
x
B. Evaluate :-
13.
1
2100
14.
2
327
15.
11
216
C. Solve :
16. 22 18 0x 17. 2 11 18x x 18. 22 6 0x x
D. Change the subject of each formula to y :-
19. 4x = 7 - 2y2 20.
6 21
5
r
y 21. 2
360
ya r
Non-Calculator Algebra Sheet 16 Due date _______________________________
A. Expand and/or Simplify:-
1. (y – 3)(y – 3x + 1) 2. -2(9 – x)2 3. (2x
2y
5)-3
4. 4x-9
× 7x8
5. 3
4
18
21
y
y
6.
4 27 719 2x x
7.
14 4(2 )y 8. 2 6 5 81
621a b a b
9. 4 5
1 2y y
10.
2 6
( 3)y y y
11.
7 3
5
9 7
14 27
x x
x
12. 2 2 4
7
9 15
21 7
x y y
x
B. Evaluate :-
13.
1
281
14.
1
327
15. 19
C. Solve :
16. 23 75 0x 17. 2 2 1x x 18. 22 3 35 0x x
D. Change the subject of each formula to x :-
19. y - b = m(x – a) 20. 5 150
sin y x 21. 34
3V x
Non-Calculator Algebra Sheet 17 Due date _______________________________
A. Expand and/or Simplify:-
1. (y – 3)(1 – 3y + y2) 2. 12 - (3 – x)
2 3. (2x
4 )-3
4. 8x-20
× 7x8
5. 3
2
7
21
y
y
6.
5 16 67x x
7.
14
13(8 )y 8. 6 6 5 81
129a b a b
9. 1 1
2y y
10.
2 6
( 3) ( 3)y y y
11.
8 3
5
9 7
7 6
x x
x
12. 2 4
3 7
x y
y x
B. Evaluate :-
13. 1
2121
14.
1
3125 15. 2
3
C. Solve :
16. 29 64 0x 17. 2 20 9x x 18. 23 4 0x x
D. Change the subject of each formula to x :-
19. y - b = ½ (x – a) 20. 5 70
y x 21. 21
3V x h
Non-Calculator Algebra Sheet 18 Due date _______________________________
A. Expand and/or Simplify:-
1. (2y – 3)(1 – 6y – y2) 2. -14 - (3y – 2x)
2 3. (0.5x
-4 )-3
4. 7x-20
÷ 70x-12
5. 12𝑥𝑦4
18𝑥2𝑦−3 6.
2𝑦+5
10+
𝑦−2
15 7.
2𝑎−7
8−
𝑎+4
6 8.
3𝑞+4
9−
4𝑞+3
12
B. Make the variable in [ ] the subject
9. [ a ] 10. [ 𝜔 ] 11. [ a ] 12. [ m ]
𝑣2 = 𝑢2 − 2𝑎𝑠 𝐸 =𝑘𝜔2
2𝑎 𝑠 = 𝑢𝑡 +
1
2𝑎𝑡2 𝐴 =
𝑚𝑎
𝑀 + 𝑚
C. Evaluate :-
13. 625−3
4 14. (√2435
)−2
15. 32−2
5
D. Solve :-
16. 121𝑥2 − 400 = 0 17. 169 − 81𝑥2 = 0 18. 𝑥2 +𝑥
6=
5
2
E. Express in the form (𝑥 + 𝑝)2 + q
19. 𝑥2 + 6𝑥 − 4 20. 𝑥2 − 8𝑥 + 3 21. 𝑥2 − 12𝑥 − 15
Non-Calculator Algebra Sheet 19 Due date _______________________________
A. Expand and/or Simplify:-
1. (4y2 – 3)(2y – 5y
2– 6y
3) 2. (4y + 2)
2 – (2y – 3x)
2 3. (4 x
-5 )-4
(2 x5
)-2
4. 225x16
÷ 15x-9
5. √72√48 6. 𝑦−3
𝑦−2+
𝑦−2
𝑦−3 7.
𝑎−4
24−
𝑎+4
16 8.
𝑥
𝑥+3−
𝑥−4
2𝑥+6
B. Make the variable in [ ] the subject
9. [ u ] 10. [ 𝑘 ] 11. [ u ] 12. [ a ]
𝑣2 = 𝑢2 − 2𝑎𝑠 𝐸 =𝑘𝜔2
2𝑎 𝑠 = 𝑢𝑡 +
1
2𝑎𝑡2 𝐴 =
𝑚𝑎
𝑀 + 𝑚
C. Evaluate :-
13. 64−4
3 14. (√325
)−2
15. 64−2
3
D. Solve :-
16. 64𝑥2 − 49 = 0 17. 30𝑥2 + 7𝑥 − 15 = 0 18. 𝑥2 +𝑥
4= 1.875
E. Express in the form (𝑥 + 𝑝)2 + q
19. 𝑥2 + 12𝑥 − 21 20. 𝑥2 − 𝑥 + 2 21. 𝑥2 − 9𝑥 − 5
Non-Calculator Algebra Sheet 20 Due date _______________________________
A. Expand and/or Simplify:-
1. (a – b – c)(d – e – f) 2. (2y – 5x) 2
– (3y – 4x)2 3. (4x
-2 )3(
1
2x
5 )-2
4. 1024x-4
÷ 256x-5
5. √108√48 6. 𝑦−3
𝑦−2+
𝑦−2
𝑦−3 7.
𝑎−4
4𝑎−
𝑎+4
6𝑎 8.
𝑥
𝑥+4−
𝑥−4
2𝑥+8
B. Make the variable in [ ] the subject
9. [ s ] 10. [ 𝑎 ] 11. [ t ] 12. [ M ]
𝑣2 = 𝑢2 − 2𝑎𝑠 𝐸 =𝑘𝜔2
2𝑎 𝑠 =
1
2𝑎𝑡2 𝐴 =
𝑚𝑎
𝑀 + 𝑚
C. Evaluate :-
13. 275
3 14. (√2568
)−4
15. 256−3
4
D. Solve :-
16. 256𝑥2 − 169 = 0 17. 35𝑥2 = 𝑥 + 12 18. 𝑥2 −5𝑥
3=
2
3
E. Express in the form (𝑥 + 𝑝)2 + q or 𝑞 − (𝑥 + 𝑝)2
19. 𝑥2 + 8𝑥 − 13 20. 𝑥2 − 3𝑥 + 4 21. −𝑥2 − 10𝑥 + 3