Equations in Two Variables

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

Tags

CCSS.8.EE.C.8B

The graph of the linear equation in two variables y = mx is _____

• a line parallel to x - axis 

• a line parallel to y - axis 

• a line passes through the origin

• not a straight line

• Consistent : Unique solution
• Consistent: Many Solutions 
• Inconsistent: No solution 
• None of the above 

Tags

CCSS.8.EE.C.8A

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

What is the slope of the equation?
y = -3x + 4

• -3

• 4

• -4

• 3

Tags

CCSS.8.EE.B.5

Which is the graph of y=-x+2?

• A

• B

• C

• D

The equation y = 3x + 5 has _____

• A unique solution 

• Only two solutions

• Three solutions 

• Infinitely many solutions 

Tags

CCSS.8.EE.C.8B

If (2 ,0) is a solution of the linear equation 2x + 3y = k, then the value of k is_____

• 4

• 5

• 6

• 2

The graph of the linear equation 2x + 3y = 6 cuts the y - axis at the point _____

• (2 ,0)

• (0 ,3)

• (3 ,0)

• (0, 2)

Tags

CCSS.HSF-IF.C.7A

Vertical or horizontal?
x = -3

• vertical 

• horizontal

• neither