intercept form

Which equation is the standard form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - m)(x - n)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

Tags

CCSS.HSA.SSE.B.3

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

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

If a parabola opens upward and has x-intercepts at (0, 3) and (0, -9), what is the equation?

• y = a(x - 3)(x - 9), a > 0

• y = a(x - 3)(x + 9), a < 0

• y = a(x - 3)(x - 9), a < 0

• y = a(x - 3)(x + 9), a > 0

Tags

CCSS.HSF-IF.C.7A

If a parabola opens downward and has x-intercepts at (0, 5) and (0, 6), 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

In the equation

y = x² +5x +7, match each leading coefficient with its correct letter

• a=0, b=5, c=7

• a=1, b=5, c=7

• a=7, b=5, c=1

The axis of symmetry is a vertical line passing through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

Tags

CCSS.HSA.REI.B.4

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

Determine the vertex of j(x) = (x - 8)(x + 3)

• (-8, 3)

• (8, -3)

• (2.5, -30.25)

• (5, -24)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10