4.1-4.3 Review

What is the axis of symmetry for y = x² + 4x + 5

• x = 4
• x = - 4
• x = - 2
• x = 2

What is another name for the x-intercepts of a quadratic?

• y-intercept
• zeros
• x-axis
• They don't have another name

What is the vertex of the parabola:
y = 2x² - 12x + 22 

• (3, 4)
• (-3, 4)
• (3, -4)
• (-3,-4)

Determine the vertex for  y =  5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

What are the root(s)?

• {-4 , 2}
• {2}
• There are no real roots
• {2 , -4}

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Calculate the zeros of the quadratic.

• x = 3/2 and -3/2
• x = 4/9 and -4/9
• x = 9/4 and -9/4
• x = 2/3 and -2/3

Tags

CCSS.HSA-REI.B.4B

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve
7x²  - 28x = 0

• x = 4, x = 7
• x = 0, x  = 4
• x = 0, x = -4
• x = -4, x = -7