Eureka Math Grade 8 Module 4 Post-Assessment

Ofelia has a certain amount of money. If she spends $12, then she has 1/5 of the original amount left. How much money did Ofelia have originally?

• $60

• $12

• $15

• $2.40

Three consecutive integers have a sum of 72. Select the three integers from the list below? (choose 3 answers)

• 23

• 24

• 25

• 26

• 27

Without solving, identify whether the following equation has a unique solution, no solution, or infinitely many solutions.

3𝑥 + 5 = −2

• Unique Solution

• No Solution

• Infinite Solutions

Without solving, identify whether the following equation has a unique solution, no solution, or infinitely many solutions.

12𝑥 + 9 = 8𝑥 + 1 + 4𝑥

• Unique Solution

• No Solution

• Infinitely Many Solutions

Without solving, identify whether the following equation has a unique solution, no solution, or infinitely many solutions.

2(𝑥 − 3) = 10𝑥 − 6 − 8𝑥

• Unique Solution

• No Solution

• Infinitely Many Solutions

Solve for x

25 = 6𝑥 + 1

x = ______ (only write the number)

Solve for x

7(2x + 5) = 5x - 15 - x

x = _________ (only write the number)

Find the slope

• 2/3

• -2/3

• - 3/2

• 3/2

Determine the equation of the line connecting the points

(0, −1) and (2, 3)

• y = 3x - 2

• y = 2x - 1

• y = -1x + 3

• 2 = -1 + 3 * 0

What is the y-intercept of  $l_1$ 

• (0,2)

• (0,4)

• (4,0)

• (1.5 , 3.5)