eInstruction PowerPoint

Which equation has infinitely many solutions? A. 8 – (6v + 5) = -6v - 3 B. 3y + 5 = 3y - 8 C. 7w + 8 – w = 8w – 2(w – 4) D. 3m – 3 = 4m + 4 – m

Given the triangle shown, solve for x. A. 80° B. 40° C. 60° D. 30°

Find the measure of angle  Y A. 100° B. 80° C. 50° D. 67°

Melissa wants to spend no more than $275 on school clothes. She spends $125 on a coat and then wants to buy some sweaters that are on special for $30 each. Find the greatest number of sweaters she can buy. A. 4 sweaters B. 6 sweaters C. 9 sweaters D. 5 sweaters

The fare for riding in a taxi is a $3 fixed charge and $0.80 per mile. The fare for a ride of d miles is $6.75. Which equation could be used to find d? A. 3( d) = 3 B d = 6.75 C d = 6.75 D. ( )d = 3

Brandon needs $480 to buy a TV and stereo system for his room. He received $60 in cash for birthday presents. He plans to save $30 per week from his part-time job. How many weeks in all will it take to save $480? A. 14 weeks B. 16 weeks C. 13 weeks D. 15 weeks

A. A.

Write an algebraic expression that represents the verbal expression “nine less than twice some number”. A. 9 – 2n B. 2n – 9 C. 2n < 9 D. 9 < 2n

All sweaters at a store are discounted 25% off the original price. The sales tax for each sweater is 8.125%. Which of these equations describes the relationship between c, the final cost of a sweater, and d, the original price of the sweater? A. c = (.25d) B. c = (0.75d) C. c = (0.25d) D. c = (0.75d)

If a number n is subtracted from 25, the result is three less than n. What is the value of n? A. 14 B. 22 C. 28 D. 11

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

The two angles shown form a right angle. Write and solve an equation to find the value of x. A. 36° B. 85° C. 19° D. 95°

Solve the following equation for a: 2(a – 3) + 5a = 3a + 10 A. 4 B. 1.6 C. 1 D. No Sol’n

What is the domain of the function shown below? A. All Real Numbers B. All Integers C. All Whole Numbers D. All Natural Numbers

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

John left his home and walked 3 blocks to his school (shown below). What is one possible interpretation of the section of the graph from point B to point C? A. John arrived and stayed at school B. John returned home to get his books C. John got to the top of a hill and walked along level ground D. John stopped at the park

The graph below shows the outside temperature recorded every hour for a 24 hr period. What is the approximate range of this graph? A. 24 hrs to 80 hrs B. 0 hrs to 24 hrs C. 54°– 60°F D. 54°– 78°F

HEB sells peanuts for $4/pkg & almonds for $6/pkg. The equation below shows the number of pkgs of peanuts, x, and the number of pkgs of almonds, y, Sally can buy if she has $12 to spend. 4x + 6y = 12 What does the x- intercept represent in this situation? A. # peanut w/no almonds B. Almonds cost/pkg C. # almond pkg w/no peanuts D. Peanuts cost/pkg

Which of these cannot be described by a linear function? A. Ray works at an ice cream store. He earns $6/hr. B. Mario is a landscaper. He charges $500 – a flat rate. C. Heather drives a tour bus. She earns 20% of total fares collected plus tips. D. Via sells furniture. For each sale she earns 12% of the sale.

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