Quadratics - Standard and Vertex Form

Which of the following equations does not represent a quadratic function?

• $y\ =\ -2x^2\ +\ 10x\ -9$

• $y\ =\ x^2$

• $y\ =\ 3\left(x\ +\ 4\right)^2\ -5$

• $y\ =\ 5x\ +\ 12$

Tags

TEKS.MATH.2A.6B

TEKS.MATH.2A.6C

Does the graph of

y = -2(x + 5)² + 2

have a minimum or a maximum?

• Minimum

• Maximum

• It has neither.

• It has both.

Tags

TEKS.MATH.A.7A

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

• (2,-5)

• (-5,6)

• (2,6)

• (5,6)

Tags

TEKS.MATH.A.7A

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

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Tags

TEKS.MATH.A.7A

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

• x = -4
• x = 4
• y = 4
• y = -4

Tags

TEKS.MATH.A.7A

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

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

Tags

TEKS.MATH.A.7A

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

Tags

TEKS.MATH.A.7A

What is the formula to find the axis of symmetry?

• $x\ =\ \frac{-b}{2}$

• $y\ =\ \frac{-b}{2a}$
  

• $x\ =\ \frac{-b}{2a}$
  

• $x\ =\ \frac{b}{2a}$
  

Tags

TEKS.MATH.A.7A

In the function

 $y\ =\ 7x^2\ +8x\ -\ 10$  ,
the vertex is a ......

• minimum

• maximum

Tags

TEKS.MATH.A.7A

Given the function

 $y\ =\ 2x^2\ -\ 2x\ -\ 5$  ,
which ordered pair represents an additional point on the graph?

• (0, 5)

• (-2, 7)

• (1, 7)

• (-1, -5)

Tags

TEKS.MATH.A.7A