Quiz #7 "Substitution Method"

Kenan and Kel are telling jokes. Kenan told 14 more jokes than Kel. Together they told a total of 52 jokes. Which two equations could be used to represent the number of jokes Kel told, x, and the number of jokes Kenan told, y?

• $x+y=52$

• $x-y=52$

• $x=y+14$

• $y=x+14$

Tags

CCSS.HSA.CED.A.3

Which graph has the solution

 $\left(-4,\ 2\right)?$  

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Tags

CCSS.8.EE.C.8A

Determine the number of solutions to the system.

 $x=-4y+3$  
 $-5x-20y=-15$  

• One Solution

• No Solution

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve the system.

 $y=5x-7$  

 $-3x-2y=-12$  

*Include parenthesis in your solution.*

(a)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system. What is the x-value in the system?

 $y=10x$  

 $2x+y=-24$  

*Type the number only.*

(a)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The line graphed is one equation in a system of equations. If the second line goes through the points

 $\left(-2,\ 1\right)$  and  $\left(6,\ -5\right),$  what would be the solution to the system?

• (-2, 2)

• (2, -2)

• (3, -4)

• (-4, 3)

Tags

CCSS.8.EE.C.8B