2.24 Mamba review Alg 1

What is the vertex of this quadratic equation?

y = 2(x + 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

How do you know if a parabola has a minimum vertex?

• When a is positive there is a minimum
• When a is negative there is a minimum
• When all the numbers in the equation are negative there is a minimum
• When all the numbers in the equation are positive there is a minimum

The axis of symmetry is a line that goes through the...

• y-intercept
• any random point
• vertex
•  x-axis or y-axis

Which point is an example of a y-intercept?

• (3,4)
• (-2,8)
• (0,4)
• (5,0)

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

What is the green dashed line called?

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