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solving systems of equations

Authored by Kevin Kearns

Mathematics

8th - 9th Grade

CCSS covered

Used 1+ times

solving systems of equations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?

(-3,-8)
(-8,-3)
(3,-8)
(8,3)

Tags

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

When you graph the exact same equation twice,

you will have no solution. 
you will have one solution.
you will have infinite solutions. 
you will graph a giraffe. 

Tags

CCSS.8.EE.C.8A

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

How many solutions will this system have? 

No solution
One Solution
I Don't Know
Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve for x and y
y = 2x + 1
y = 4x - 1

(1,3)
(-1,-3)
(-1,3)
(3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

15 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

Tags

CCSS.8.EE.C.8C

6.

MULTIPLE CHOICE QUESTION

15 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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

CCSS.HSA.REI.D.11

CCSS.HSA.SSE.A.1

7.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Solve for x and y
3x + 2y = 16
7x + y = 19

(-2,5)
(-2,-5)
(2,-5)
(2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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