Q3:M5: Systems by Substitution #1

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

y = -2x + 18
y = 8

• (5, 8)
• (-5, 8)
• (2, 8)
• (-2, 8)

Solve for x and y.
y = 2/3x - 2
y = -x + 3

• (0,3)
• (0,-3)
• (3,0)
• (-3,0)

Given the equation
4x + 2y = 10 (standard form), what is the slope-intercept form of this equations?

• y = 2x + 5
• y = -2x + 5
• y = 4x + 10
• y = -2x - 10

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

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

What is the solution to the following system?

^{y = -6x}

^{y = 48}

• infinite solutions

• (-6, 48)

• (-6, -8)

• (-8, 48)

What is the solution to the following system?

^{y = 8x - 9}

^{y = 7}

• (7, 14)

• (2, 7)

• (2, 14)

• (47, 7)

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

What is the solution to this system of equations? Solve by substitution or graphing.

• (7, -8)

• (-7, 8)

• (-7, -8)

• (7, 8)