Quadratic Equations in Standard Form Given Roots

Write the equation of the quadratic

whose roots are -4, -2.

• x²-6x+8

• x²+6x+8

• x²-4x-2

• x²-2x-4

Which of the following would be the correct factored form with roots 2, 5i, and 6?

• (x-6)(x-2)(x+5i)(x-5i)

• (x+6)(x+2)(x+5i)

• (x-6)(x-2)(x-5i)

• (x+6)(x+2)(x-5i)

Write the equation for a parabola

that opens downward whose zeros are x = 1, x = 3.

• x²-4x+3

• x²+4x+3

• -x²+4x-3

• -x²-4x-3

Write the function rule for the given graph.

• f(x)= (x-1)(x-5)

• f(x)= (x+1)(x+5)

• f(x)= -(x-1)(x-5)

• f(x)= -(x+1)(x+5)

• G
• H
• J
• K

A ​ (a)   in one variable is an equation that can be written in the ​ (b)   ​ (c)   , where a, b, and c are ​ (d)   and ​ (e)   .

• quadratic equation

• standard form

• real numbers

What is another word for where a parabola passes the x-axis?

• y-intercepts

• roots

• vertex

• axis of symmetry

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

• y-intercept

• Zeros

• x-axis

• They don't have another name