Njsla Algebra Test Prep

Based on the graph, which of the following statements is NOT true?

• The graph represents a proportional relationship.

• 4 jars of jam requires 2 cups of sugar.

• 4 jars of jam requires 8 cups of sugar.

• The constant of proportionality for this graph is 1/2.

Tags

CCSS.7.RP.A.2D

Which of the following does NOT have a constant of proportionality of 3/2?

• 
• 
• y = 1.5x

• 3y = 2x

Tags

CCSS.7.RP.A.2B

Two equations are shown:

Equation 1: -2x - 10 = 8

Equation 2: -2(x - 10) = 8

Which statement about the equations is true?

• x represents a negative value in both equations

• x represents a positive value in both equations

• x represents a negative value in one equation and a positive value in the other equation

• the value of x in the first equation is greater than the value of x in the second equation

Tags

CCSS.7.EE.B.4A

Jen mixed 9 cups of red paint with 6 cups of blue paint to make purple paint. To represent the relationship between the number of cups of blue paint, b, and the number of cups of red paint, r, needed to make the same shade of purple paint, Jen wrote the equation b = ____r. Which number should be placed in the blank?

• 3/2

• 2/3

• 6

• 9

Tags

CCSS.6.EE.C.9

What is the solution to the equations?

• one solution

• no solution

• infinite solutions

• none of these

Tags

CCSS.8.EE.C.7A

• 27

• 21

• 24

• 72

Tags

CCSS.HSF.IF.A.2

If the sum of two numbers is 20 and their difference is 4, what are the numbers?

• 8 and 12

• 10 and 10

• 11 and 9

• 12 and 8

Answer explanation

The correct numbers are 8 and 12 because when you add them, you get 20 (8 + 12 = 20) and when you subtract them, you get 4 (12 - 8 = 4).

Tags

CCSS.8.EE.C.8C

Randall bought 16 baseball cards from Max, which is ⅖ of Max's collection. Use the equation 16 = ⅖c to find the number of cards that were in Max's collection.

• 6 cards

• 40 cards

• 15 cards

• 32 cards

Tags

CCSS.HSA.CED.A.3

If you multiply a number by 6 and then add 4, the result is 40. What is the number?

• 4

• 5

• 6

• 7

Answer explanation

To find the number, subtract 4 from 40 to get 36. Then divide 36 by 6 to get the number, which is 6. Therefore, the correct number is 6.

Tags

CCSS.7.NS.A.3

In which of these situations would the answer to the question be 0?

• Anthony jumped into a pool from a diving board that is 10 feet above the water. He sank 10 feet to the bottom and then swam up to the surface of the water. How far did he swim in total?

• A hiking trail begins at an elevation of -75 feet. The trail ends at an elevation of 75 feet. By how many feet does the elevation of the trail change from beginning to end?

• Kathy left her home and traveled 3 miles due east. She then walked 3 miles due west. At this point, how many miles is she from her home?

• The low temperature for Vineland was -7°F. The high temperature was 7°F. What was the difference between the high and low temperature?

Tags

CCSS.7.NS.A.1A