Algebra 1 Midterm

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.HSA.REI.B.4

What is the vertex?
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Does this parabola open up or down?

y = 4x² - 3x - 9

• up

• down

Tags

CCSS.HSF-IF.C.7A

What is the graph of this function: y = x² - 4x

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Solve the equation:
 $3c=12$  

• 36

• 4

• 15

• 9

Tags

CCSS.6.EE.B.7

Solve each equation:
 $-4+r=10$  

• r = 14

• r = 6

• r = -6

• r = 40

Tags

CCSS.6.EE.B.7

Solve each equation:
 $-10k=50$  

• -500

• -5

• -7

• 3

Tags

CCSS.6.EE.B.7

Solve:
3(3x - 6) = 18

• x = 4
• x = -4
• no solution
• infinite solutions

Tags

CCSS.7.EE.B.4A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A