Units 3 and 4 Review

What is the solution to the equation 4x+5−2x=−9?

What is the solution set to the inequality 12 + 3x > 21?

• x > 3

• x < -3

• x > -11

• x < 11

Which is NOT a solution to the inequality 5 - 2x ≥ 3?

• 0

• 2

• 4

• 5

An equation is modeled.

What is the value of x?

• 3

• -3

• -5

• 5

Which value of x makes the equation true? -3x + 7 = -14

• 7

• -7

• -7/3

• 7/3

Katrina earns $58.50 for 5 hours of work at her job. Which answer choice best represents Katrina earning y dollars in x hours.

• y = x + 9.75

• Katrina earns $9.75 in 10 hours

• 
• 

The table shows a linear relationship between x and y.

Create an equation that describes the relationship shown in the table. Move the correct answer to each box. Not all answers will be used.

​

y = ​ ​ (a)   x + ​ (b)   ​

• -4
• -2
• 4
• 2

An amusement park charges a $12 admission fee and $2.50 per ride. Which table shows cost, c, of admission into the amusement park and riding r rides?

• 
• 
• 
• 

A print shop designs t-shirts. They print 125 t-shirts in 5 hours. Which answer choice best represents printing y t-shirts in x hours? Select TWO correct answers.

• y = 125x + 5

• y = 25x

• The print shop can print 125 t-shirts per hour

• 

Jade's bank account has a balance of $1,250. She plans on spending $25 per week to put fuel in her car. If Jade does not make any additional deposits or withdrawals, which equation can be used to find y, the account balance, after x weeks?

• y = 25x + 1,250

• y = -25x + 1,250

• y = 25x - 1,250

• y = 1,250x - 25