Substitution and Equations: Write Equations with Models

Substitution and Equations: Write Equations with Models

7th - 9th Grade

10 Qs

quiz-placeholder

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Substitution and Equations: Write Equations with Models

Substitution and Equations: Write Equations with Models

Assessment

Quiz

Mathematics

7th - 9th Grade

Hard

Created by

Lisa Lee

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve:

x = -3y - 17

2x + 3y = -7

(1, -20)

(10, 0)

(-5, -2)

(10 , -9)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3x + 2y = 8

-x + y = -11

(-5,6)

(6,-11)

(-6,-5)

(6,-5)

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the solution to the system of equations?

y = 3x - 8

y = 4 - x

(3,1)

(1,3)

(3,-1)

(3,-1)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.

y = -5x

x + 3y = 28

(-6, 30)

(-2, 10)

(-2, 39)

No solution

Infinite solutions

5.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Solve:

y = 8x+1

y = 6x+3

(1, 9)

(4, 14)

(0, 1)

(1, 4)

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A large pizza at Palanzio’s Pizzeria costs $6.80 plus $0.90 for each topping.The cost of a large cheese pizza at Guido’s Pizza is $7.30 plus $0.65 for each topping. Which system of equations could be used to find the number of toppings when both companies cost the same amount?

y = 6.80 + .65x

y = 7.30 + .90x

x + y = 6.80

x + y = 7.30

y = 6.80 + .90x

y = 7.30 + .65x

y + .90x = 6.80

y + .65x = 7.30

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount?

y = 9.65 + x

y = 8.40 + x

y = 9.65x + 43

y = 8.40x + 58

y = 9.65x

y = 8.40x

y = 9.65x - 43

y = 8.40x - 58

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