Illustrative Math Unit 4 Linear Equations Linear Systems

Determine the slope of the line that passes through the points. 
A(-2, -1)
D(3, 5)

• 6/5 or 1.2
• 5/6 or .83333
• 0
• 1/3 or .3333

Tags

CCSS.8.EE.B.5

Write an equation in y=mx+b form for the graph of the line.

• y = 2x + 3

• y = 3x + 2

• y =1/3 x + 2 (or y =.33x + 2)

• y = 3x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an equation in y=mx+b form for the graph of each line. 

• y = -2x - 3
• y = 2x - 3
• y = -3x - 2
• y = -.5 x - 3

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

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

David is having his birthday party at a water park. The park charges $150 plus $10 per guest. The total cost of the party, y, can be represented by the equation y = 10x + 150. What does the slope represent?

• $150 fee
• $150 per guest
• $10 per guest
• $10 fee

Tags

CCSS.HSF.LE.B.5

Write an equation in y=mx+b form for the line that passes through (3, –1) and has a slope of 2.

• y = 3x - 1
• y = 2x - 7
• y = 2x
• y = 2x - 1

The graph of the system of a linear equations are parallel, what is the solution set?

• (0,0)
• none
• many infinite
• POI (point of intersection)

Tags

CCSS.8.EE.C.8A

What is true about the graphs of

y = 2x - 7 and y = 2x - 8?

• parallel and no solution

• perpendicular and no solution

• parallel and infinite solutions

• intersecting and one solution

Tags

CCSS.8.EE.C.8B

What is the solution of the system?

• (0,2)
• (0,-2)
• (2,0)
• (-2,0)

Tags

CCSS.8.EE.C.8B

What will the graph of the system look like?
y = 3x - 8
2y = 6x - 16

• parallel
• perpendicular
• coinciding
• intersecting

Tags

CCSS.8.EE.C.8B