Writing Quadratics Given Solutions

Write the equation of the quadratic function that has a x-intercepts at (2, 0) and (4, 0) and passes through the point (3, 4).

• y = -4(x - 2)(x - 4)

• y = -4(x + 2)(x + 4)

• y = 4(x - 2)(x - 4)

• y = -0.25(x - 2)(x - 4)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

What are the solutions? Hint: look at x-intercepts

• x= -5

• x= -1 and x = 5

• (2,-9)

• Cannot be determined

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

When looking at a quadratic graph, the solution(s) are always the _____________.

• y-intercept

• vertex

• x-intercept(s)

• axis of symmetry

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

What is another name for the x-intercepts of a quadratic?

• y-intercepts
• zeros
• x-axis
• none of these

Tags

CCSS.HSF-IF.C.7C

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Which quadratic function best represents the graph that has x-intercepts at 9 and 1 and passes through the point (0, -18)?

• y = x² + 9x - 18
• y = -2(x - 9)(x - 1)
• y = -2(x + 9)(x + 1)
• y = 2(x + 9)(x + 1)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Y = ax² + bx + c is called the ______________ form of a quadratic equation.

• Vertex
• Intercept
• Standard
• Usual

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Y = a(x-h)² + k is called the ______________ form of a quadratic equation.

• Vertex
• Intercept
• Standard
• Usual

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the zeros of the equation: y = 2(x - 7)(x + 3)

• 2

• -7, 3

• 7, -3

• -2

Tags

CCSS.HSF-IF.C.7C

What is the equation of the parabola?

• y =(x - 1)(x-3)

• y = -1/2(x - 1)(x + 3)

• y = 2(x + 1)(x - 3)

• y = - 1(x- 1)(x - 3)

Tags

CCSS.HSF-IF.C.7A