Math Equations and Inequalities

Solve the following inequality:
-4x + 14 ≤ 54

• x ≥ -10

• x ≤ -10

• x ≥ 17

• x ≤ 17

The model represents an equation.

What value of x makes the equation true?

• 3

• 8

• 6

• 4

Which number line represent the solution to the inequality −7x −13 ≥ 8?

• Line A

• Line B

• Line C

• Line D

What is the value of x in this equation?

2x + 2 = −52

• −25

• −27

• A.

• B.

• C.

• D.

Suppose that Hannah plans to pay off a no-interest loan from her parents. Her loan balance is $1,000. She plans to pay $250 per month until her balance is $0.

The independent variable (x) is ​ (a)  

The dependent variable (y) is ​ (b)  

• time in months

• loan balance

• $1000

• payment amount

• interest

• Money Hannah's parent have in the bank

Momin can currently bench 150 lbs. Write an equation to determine how much he can bench in t months if he can bench 15 more each month.

Mathematical Equivalence

ON

If b=6 and m=3, what is the correct slope intercept equation? (a)  

• y=3x+6

• none

• y=3x-6

• y=6x+3

Mario’s Pizza charged $7 for a medium pizza plus $0.75 per additional topping.

x: number of toppings y: cost of pizza

Write the equation for the cost of the pizza in slope-intercept form.

​ (a)  

• Mario