Quadratics STAAR Review

Solve using the square root method.
8x² - 7 = 193

• ±23.25
• ±5
• ±25
• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve using any method.
2x² + 4x - 16 = 0

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

Solve using any method.
x² - 2x - 8 = 0.

• -2, 4
• -8
• ±8
• No real solution

Tags

CCSS.HSA-REI.B.4B

What is the discriminant?

• b²-4ac
• b²/2a
• 4ac
• b²±4ac

Tags

CCSS.HSA-REI.B.4B

If the graph of a quadratic does not intercept the x axis at any point, then it has:

• 1 Real Roots
• 2 Real Roots
• Half a Solution
• No Real Roots

Tags

CCSS.HSF-IF.C.7A

Does this graph have maximum or minimum value?

• maximum
• minimum
• neither
• both

Name the x-intercept(s).

• 0
• 4
• 2
• 0 and 4

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Given: y = 2(x - 5) + 6, the vertex is

• (2,-5)
• (-5,6)
• (2,6)
• (5,6)

Find the vertex of 
f(x) = -x² - 4x + 12.

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