4.2 Intercept Form Quadratics

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.A.2

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.APR.B.3

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

What is the range of this function?

• All real numbers.
• All real numbers greater than or equal to 0.
• All real numbers greater than or equal to -2.
• All real numbers greater than or equal to 2.

Tags

CCSS.HSF-IF.C.7A

When a quadratic is written in intercept/factored form, what are the two values we solve for called.

• y-intercepts

• x-intercepts

• axis of symmetry

• What's a quadratic?

Tags

CCSS.HSF-IF.C.7A

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

Write an equation of this graph in intercept (factored) form.

• h(x) = (x - 1)(x + 3)

• h(x) = (x + 1)(x - 3)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

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