LT #4 Graphing Quadratics

Which equation is Vertex Form?

• y=ax²+bx+c

• y=a(x-h)²+k

Which equation is in standard form?

• y=a(x-h)²+k

• y=ax²+bx+c

Which equation is in intercept/factored form?

• y=a(x-h)²+k

• y=(x-p)(x-q)

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

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

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

What is the vertex of the quadratic function:
y = (x + 1)(x - 3)

• (1, 4)

• (-1,-4)

• (1,-4)

• (-1,4)

Which equation matches the graph?

• y=(x-2)²+3

• y=(x-2)²-3

• y=(x+2)²+3

• y=(x+2)²-3

Tags

CCSS.HSF-IF.C.7A

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

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

• x = -4
• x = 4
• y = 4
• y = -4

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.

Tags

CCSS.HSF-IF.C.7A