Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

13
Algebra TEXAS Style A2warmup26 Algebra 2 Warm-up 26

Transcript of Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Page 1: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

Algebra 2

Warm-up 26

Page 2: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

1. Which line has an undefined slope?

A. K

B. L

C.M

D.N

Page 3: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

2. The Hidden Treasures Antique shop runs ads in the local paper each week. The ads are lengths between 15 and 20 characters, and they run between 6 and 10 ads. The cost of placing an ad is c = 3.75 + 0.65x. Which is a reasonable amount that they spend each week on these ads?

A. $16

B. $68

C.$125

D.$540

Page 4: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

3. What is the x-intercept of the equation ?834

3 xy

)3

11,3(.

)0,4(.

)0,3

22(.

)3

210,0(.

D

C

B

A

Page 5: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

4. The perimeter of a rectangular garden is 116 ft. The length is 2 less than 3 times the width. Which of the following systems could be used to find the dimensions of this garden?

23

11622.

32

11622.

23

58.

32

11622.

lw

wlD

lw

wlC

wl

wlB

wl

wlA

Page 6: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

5. The graph shown below shows the distance that a certain fishing boat can travel as a function of time.

A. The boat travels at a rate of about 2 miles per hour.

B. The boat travels at a rate of about 4 miles per hour.

C.The boat travels at a rate of about 6 miles per hour.

D.The boat travels at a rate of about 12 miles per hour.

Page 7: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

6. Which of the following is not a correct result of changing the a value in y = ax2 + c?

A. For a > 0, the graph opens upward.

B. For a < 0, the graph opens downward.

C.For 0 < a < 1, the graph becomes wider.

D.For a > 1, the graph becomes wider.

Page 8: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

7. The Science department has $850 to spend on a computer and calculators. The computer cost $539 and the calculators cost $89 each. Which inequality can be used to find the number of calculators, c, that can be purchased?

A. 539 + 89c > 850

B. 539(89)c>850

C. (539+89)c<850

D.89c+539<850

Page 9: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

8. A graph of an equation is shown below. What is the affect of multiplying the slope by -1 and changing the y-intercept to -2?

A. The lines are parallel and the y-intercepts are 2 units apart.

B. The lines intersect at (5,1) and the y-intercepts are 6 units apart.

C.The lines are perpendicular and they intersect at (5,1).

D.The lines intersect at (2,3) and the y-intercepts are 2 units apart.

Page 10: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

9. Andrew and Doug bought CDs. Together they bought 8 CDs. Each CD cost $9. Andrew bought one and two-thirds as many CDs as Doug. Which system of equations can be used to find the number of CDs that Andrew purchased, a, and the number of CDs that Doug purchased, d?

ad

daD

ad

daC

da

daB

da

daA

3

5

8.

3

2

899.

3

2

8.

3

5

8.

Page 11: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

10. Which of the following shows these listed from widest to narrowest?

2222

2222

2222

2222

2

5,

3

2,

5

3,

4

1.

2

5,

5

3,

3

2,

4

1.

4

1,

5

3,

3

2,

2

5.

2

5,

5

3,

4

1,

3

2.

xyxyxyxyD

xyxyxyxyC

xyxyxyxyB

xyxyxyxyA

Page 12: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

Page 13: Algebra TEXAS StyleA2warmup26 Algebra 2 Warm-up 26.

Algebra TEXAS StyleA2warmup26

A2 warm-up 26

1. C, obj 3, A.6A2. C, obj 4, A.7C3. B, obj 3, A.6E 4. B, obj 4, A.8A5. C, obj 3, A.6B6. D, obj 5, A.9B7. D, obj 4, A.7A8. B, obj 3, A.6C9. A, obj 4, A.8A10. D, Obj 5, A.9B