Quadratic in Intercept Form

What is the axis of symmetry of the given function?

• x = -4

• x = 4

• x = -2

• x = 2

What are the x-intercepts for g(x) = (x + 8)(x + 2)

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

Tags

CCSS.HSF-IF.C.7C

Find the vertex of

f(x) = -(x+6)(x-2)

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Which graph below matches up with the equation:

y = -⅕(x+6)(x+1)

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Tags

CCSS.HSF-IF.C.7A

Which equation, when graphed, has x-intercepts at (2, 0) and (4, 0) and a y-intercept of (0, –16)?

• f(x) = –(x – 2)(x – 4)

• f(x) = –2(x – 2)(x – 4)

Tags

CCSS.HSF-IF.C.7A

What is the quadratic function for the graph in intercept form?

• y = (x - 2)(x - 6)

• y = - (x - 2)(x - 6)

• y = (x + 2)(x + 6)

• y = (x + 4)(x - 4)

Tags

CCSS.HSF-IF.C.7A

Which equation is the intercept form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - p)(x -q)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

What is the intercept form of
f(x) = 3x² - 7x + 2?

• f(x) = (3x - 2)(x - 1)

• f(x) = 3(x - 1/3)(x - 1)

• f(x) = (3x + 2)(x - 1)

• f(x) = (3x + 1)(x - 2)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

If a parabola opens downward and has roots at (5,0) and (6,0), what is the equation?

• y = a(x + 5)(x + 6), a < 0

• y = a(x - 5)(x - 6), a < 0

• y = a(x + 5)(x + 6), a > 0

• y = a(x - 5)(x - 6), a > 0

Tags

CCSS.HSF-IF.C.7A

Identify the y-intercept.

• (0,3)

• (3,0)

• (1,0)

• (2,-1)

Tags

CCSS.HSF-IF.C.7A