Illustrative Math Algebra

-11 + 3(b + 5) = 7

• 1
• -1
• 3
• -3

WRITE AN EQUATION
Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• 24 - 10 = -7x
• 24 - 7x = 10
• -24 - 7x = -10
• 10 + x = 24

WRITE AN EQUATION
You bought a magazine for $5 and four
erasers. You spent a total of $29. How
much did each eraser cost?

• 5 + x = 29
• -5 - 4x = -29
• 5x = 29
• 29 - 5 = -4x

WRITE AN EQUATION
Jill sold half of her comic books and then got sixteen more. She now has 36. With how many did she begin?

• x/2 + 16= 36
• 36 + 16 = x
• x/2 - 16 = 36
• x/2 = 36 + 16

Define the variable.

• c = total cost of membership
• c = cost per month
• r = registration fee
• m = number of months for membership

Define the variable.

• m = miles traveled
• c = cost per mile
• c = cabs ridden in 
• t = total cost

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

In the cafeteria, let P_B represent the price of one beverage and B represent the number of beverages purchased. Which expression represents the total sales from beverages?.

• (P_B)(B)

• (P_B)+(B)

• (P_B)-(B)

• (P_B)/(B)

In the cafeteria, let P_B represent the price of one beverage, P_E represent the price of one entree, and P_S represent the price of one side. Which expression represents the total price of one lunch if a student buys all three items?

• P_B x P_E x P_S

• P_B + P_E + P_S

• P_B - P_E - P_S

• P_B P_EP_S

William has four more wins at a video game than Marcus. Let W represent William's wins, and let M represent Marcus' wins. Write an expression for how many wins Marcus has compared to William.

• W+4

• W-4

• 4W

• W/4