Standard form exit card key features 2-2

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

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

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Which of the following is Standard Form?

Identify the y-intercept

• (0, -3)

• (3, 0)

• (0, 3)

• (2, 1)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

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

• x = -4
• x = 4
• y = 4
• y = -4

What's the y-intercept of y = 3x²- 6x + 4

• (4,0)
• (-4,0)
• (0,-4)
• (0,4)

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

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Identify a, b, and c   f(x) = 3x² - 8 +5x

• A=3, B=5, C=-8
• A=3, B=-8, C=5
• A=3x², B=5x, C=-8
• A=3x² , B=-8, C=5x