Does (X, Y) Satisfy an Equation?

Solutions to linear equations are....

• ordered pairs (x,y)

• slope

• y-intercept

Tags

CCSS.8.EE.C.8A

Which of the following is a solution to the graphed equation above?

• (3, 2)

• (-4, 6)

• (1, 3)

• (3, 1)

The solution to the system is

• (-2, -8)

• (-8, -2)

• (2, -8)

• No solution

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (-1, 3)

• (-3, 1)

• (3, -1)

• (-3, -1)

Tags

CCSS.8.EE.C.8A

Which equation matches line c?

• y = 1

• y = 1x

• x = 1

• x = - 1

Solutions to equations must be...

• the slope

• the y intercept

• dilations

• coordinate points

Tags

CCSS.8.EE.B.5

A solution of a System of Linear Equations is a (n)

• Ordered Pair

• Right Answer

• Variable

• Number

Tags

CCSS.8.EE.C.8B

How do you check to see if an Ordered Pair is a solution to a System of Linear Equations?

• Plug in the x-value and y-value to see if each equation works

• Take a random guess

• Solve each equation for x and then use Inverse Operations

• Multiply the Slope of each line by the Constant of Proportionality

Is (1,9) a solution for the following System? Explain why or why not. y = 5x + 4 y = -6x + 15

Is (4, 5) a solution to the system of equations?
4x+y=21
-3x-6y=10

• Yes, it is a solution to the system of equations

• No, it only satisfies the first equation, and fails to satisfy the second.

• No, it only satisfies the second equation, and fails to satisfy the first.

• No, it fails to satisfy both equations