Practice Quiz for Test #1-Algebra 1 B

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

• (0,3)
• (0,-3)
• (3,0)
• (-3,0)

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

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

What is the solution?

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

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

• Infinitely Many Solutions
• No Solution

Solve the system of equations.
x + 2y = -3
x - y = -12

• (-9, 3)
• (-7 ,5)
• (3, 15)
• (9, 6)

How many solutions does the following equation have?
3x − 3 = −3 + 3x

• One Solution
• No Solutions
• Infinitely Many Solutions

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

Solve by elimination:
7x+y=-9

-3x-y=5

• No solution
• (1,8)
• (-2,-3)
• (-1,-2)

Which method may be fastest if both equations are in standard form with the x's and y's lined up?

• graphing

• substitution

• elimination