eInstruction PowerPoint

Which equation has infinitely Which equation has infinitely many solutions?many solutions?

A.A. 8 – (6v + 5) = -6v - 38 – (6v + 5) = -6v - 3

B.B. 3y + 5 = 3y - 83y + 5 = 3y - 8

C.C. 7w + 8 – w = 8w – 2(w – 4)7w + 8 – w = 8w – 2(w – 4)

D.D. 3m – 3 = 4m + 4 – m3m – 3 = 4m + 4 – m

Given the triangle shown, solve Given the triangle shown, solve for for xx..

A.A. 80°80°

B.B. 40°40°

C.C. 60°60°

D.D. 30°30°

Find the measure of angle Find the measure of angle YY

A.A. 100°100°

B.B. 80°80°

C.C. 50°50°

D.D. 67°67°

Melissa wants to spend Melissa wants to spend no more than $275 on no more than $275 on school clothes. She school clothes. She

spends $125 on a coat spends $125 on a coat and then wants to buy and then wants to buy

some sweaters that are some sweaters that are on special for $30 each. on special for $30 each.

Find the greatest Find the greatest number of sweaters she number of sweaters she

can buy.can buy.

A.A. 4 sweaters4 sweaters

B.B. 6 sweaters6 sweaters

C.C. 9 sweaters9 sweaters

D.D. 5 sweaters5 sweaters

The fare for riding The fare for riding in a taxi is a $3 in a taxi is a $3

fixed charge and fixed charge and $0.80 per mile. $0.80 per mile.

The fare for a ride The fare for a ride of of dd miles is miles is

$6.75. Which $6.75. Which equation could be equation could be

used to find used to find dd??

A.A. 3(6.75 + d) = 33(6.75 + d) = 3

B.B. 3 + 0.80d = 6.753 + 0.80d = 6.75

C.C. 0.80 + 3d = 6.750.80 + 3d = 6.75

D.D. (0.80 + 6.75)d = 3(0.80 + 6.75)d = 3

Brandon needs $480 Brandon needs $480 to buy a TV and stereo to buy a TV and stereo system for his room. system for his room. He received $60 in He received $60 in cash for birthday cash for birthday

presents. He plans to presents. He plans to save $30 per week save $30 per week

from his part-time job. from his part-time job. How many weeks in all How many weeks in all

will it take to save will it take to save $480?$480?

A.A. 14 weeks14 weeks

B.B. 16 weeks16 weeks

C.C. 13 weeks13 weeks

D.D. 15 weeks15 weeks

Write an Write an algebraic algebraic

expression that expression that represents the represents the

verbal verbal expression “nine expression “nine less than twice less than twice some number”.some number”.

A.A. 9 – 2n9 – 2n

B.B. 2n – 9 2n – 9

C.C. 2n < 92n < 9

D.D. 9 < 2n9 < 2n

All sweaters at a All sweaters at a store are discounted store are discounted 25% off the original 25% off the original price. The sales tax price. The sales tax for each sweater is for each sweater is 8.125%. Which of 8.125%. Which of these equations these equations

describes the describes the relationship between relationship between c, the final cost of a c, the final cost of a sweater, and d, the sweater, and d, the original price of the original price of the

sweater?sweater?

A.A. c = 0.08125(.25d)c = 0.08125(.25d)

B.B. c = 0.08125(0.75d)c = 0.08125(0.75d)

C.C. c = 1.08125(0.25d)c = 1.08125(0.25d)

D.D. c = 1.08125(0.75d)c = 1.08125(0.75d)

If a number n is If a number n is subtracted from 25, subtracted from 25,

the result is three less the result is three less than n. What is the than n. What is the

value of n?value of n?

A.A. 1414

B.B. 2222

C.C. 2828

D.D. 1111

The perimeter of the rectangle The perimeter of the rectangle is 24cm. Find the value of x.is 24cm. Find the value of x.

The two angles shown form a right The two angles shown form a right angle. Write and solve an equation to angle. Write and solve an equation to

find the value of x.find the value of x.A.A. 36°36°

B.B. 85°85°

C.C. 19°19°

D.D. 95°95°

Solve the following equation for a:Solve the following equation for a:2(a – 3) + 5a = 3a + 102(a – 3) + 5a = 3a + 10

A.A. 44

B.B. 1.61.6

C.C. 11

D.D. No Sol’nNo Sol’n

What is the domain of the What is the domain of the function shown below?function shown below?

A.A. All Real NumbersAll Real Numbers

B.B. All IntegersAll Integers

C.C. All Whole NumbersAll Whole Numbers

D.D. All Natural NumbersAll Natural Numbers

The table below shows various values for x The table below shows various values for x & f(x). Which equation best describes the & f(x). Which equation best describes the

relationship between x & f(x)?relationship between x & f(x)?

John left his home and walked 3 blocks to his John left his home and walked 3 blocks to his school (shown below). What is one possible school (shown below). What is one possible interpretation of the section of the graph from interpretation of the section of the graph from

point B to point C?point B to point C?

A.A. John arrived and stayed at John arrived and stayed at schoolschool

B.B. John returned home to get his John returned home to get his booksbooks

C.C. John got to the top of a hill and John got to the top of a hill and walked along level groundwalked along level ground

D.D. John stopped at the parkJohn stopped at the park

The graph below shows the outside temperature The graph below shows the outside temperature recorded every hour for a 24 hr period. What is recorded every hour for a 24 hr period. What is

the approximate range of this graph?the approximate range of this graph?

A.A. 24 hrs to 80 hrs24 hrs to 80 hrs

B.B. 0 hrs to 24 hrs0 hrs to 24 hrs

C.C. 54°– 60°F 54°– 60°F

D.D. 54°– 78°F54°– 78°F

HEB sells peanuts for HEB sells peanuts for $4/pkg & almonds for $4/pkg & almonds for $6/pkg. The equation $6/pkg. The equation

below shows the below shows the number of pkgs of number of pkgs of peanuts, x, and the peanuts, x, and the number of pkgs of number of pkgs of

almonds, y, Sally can almonds, y, Sally can buy if she has $12 to buy if she has $12 to

spend.spend.4x + 6y = 124x + 6y = 12

What does the x-What does the x-intercept represent in intercept represent in

this situation?this situation?

A.A. # peanut w/no almonds# peanut w/no almonds

B.B. Almonds cost/pkgAlmonds cost/pkg

C.C. # almond pkg w/no # almond pkg w/no peanutspeanuts

D.D. Peanuts cost/pkgPeanuts cost/pkg

Which of these cannot be Which of these cannot be described by a linear function?described by a linear function?A.A. Ray works at an ice cream store. He earns Ray works at an ice cream store. He earns

$6/hr.$6/hr.

B.B. Mario is a landscaper. He charges $500 – a flat Mario is a landscaper. He charges $500 – a flat rate.rate.

C.C. Heather drives a tour bus. She earns 20% of Heather drives a tour bus. She earns 20% of total fares collected plus tips.total fares collected plus tips.

D.D. Via sells furniture. For each sale she earns Via sells furniture. For each sale she earns 12% of the sale.12% of the sale.

What is the slope of the line What is the slope of the line through (1,1) and (4,-1)?through (1,1) and (4,-1)?