Linear Equations & Linear Systems Review

A linear equation is ...

• an equation for a curved line.

• an equation for a straight line.

• an equation for a circle.

Tags

CCSS.8.F.A.3

The "m" in the linear equation y = mx + b represents ...

• y-intercept

• x-intercept

• slope

• rate of change

• initial value

True or False? A linear system is two or more linear equations.

(a)  

Which of the following ordered pairs is a solution to the following equation:  $y\ =\ 3x+1$  

• (2,-1)

• (5, 16)

• (-1, 5)

• (0, 2)

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

Tags

CCSS.8.EE.C.8B

Give the solution to the system.

• (3,1)
• (1,3)
• (-1,3)
• (1, -3)

Tags

CCSS.8.EE.C.8A

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Manny’s Music Rental charges a fee of $40 plus $25 per month to rent a saxophone. Sid’s Saxophones charges $25 plus $30 per month to rent the same saxophone.

y = 25x + 40

y = 30x + 25

At what month will the two companies charge the same amount to rent a saxophone?

Tags

CCSS.8.EE.C.8C