Unit 1 Review

A line has an equation of y = - 3x + 8. What is the y-intercept of the line? Please enter your answer as a coordinate (x, y).

• (-3, 0)

• (8, 0)

• (0, -8)

• (0, 8)

Look at the graph.  Write down the equation for the line.

• y = - x + 3
• y = 4x + 3
• y = ¹/₄ x + 3
• y = - 4x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the graph given?

• -x + y = 1
• x + y = 1
• y + x = -1
• x - y = 1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

When you graph an inequality, you used a solid line when you use which symbols?

• ≤, ≥ 
• <, >

Tags

CCSS.HSA.REI.D.12

Which of the following equations match the given graph?

• y ≥ 2/5(x-5)-1

• y ≥ -2/5(x-5)-1

• y≤ 2/5(x-5)-1

• y ≥ -2/5(x-5)-1

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3
• y>2x-1
  y≤-2x+3
• y<2x-1
  y≥-2x+3
• y≤2x-1
  y>2x+3

Tags

CCSS.HSA.REI.D.12

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

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A