STAAR Questions Quadratics

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)

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

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

Tags

CCSS.HSF-IF.C.7C

What is the factored form of the quadratic shown?

• f(x) = -x(x - 4)
• f(x) = x(x - 4)
• f(x) = -x(x + 4)
• f(x) = x(x + 4)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

If the quadratic has a positive leading coefficient, what direction does the parabola open?

• Up
• Down

Tags

CCSS.HSF-IF.C.7A

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

What is the shape created by a football thrown in the air

• U
• parabola
• quadratic
• function

What are the x-intercepts of 
f(x) = (x - 10)(x + 10)  ?

• 10
• (10 , 0) and (-10 , 0)
• (0, -10) and (0, 10)
• 0

Tags

CCSS.HSF-IF.C.7C

When the leading coefficient is positive, does the graph have a minimum or maximum value?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

True or False:
The domain of a quadratic is all real numbers, unless otherwise specified.

• False
• True