Question

i need some major help with my algerbra 1 i dont understand it at all!!please help!!
Question 2 (Multiple Choice Worth 1 points)

When the quadratic equation y = (x − 3)(4x + 2) is written in standard form, what is the value of the coefficient "b?"

> 1
> 4
>−10
>−6

Question 3 (Multiple Choice Worth 1 points)

Choose all of the following equations that have a vertex that is the minimum point of the parabola. More than one answer may be chosen.

> y = 2x2 + 2x + 8
>y = −16x2 + 2x − 4
>y = −x2 − 4x − 3
>y = x2 + 2x + 4
Question 4 (Multiple Choice Worth 1 points)

Answer 1

Question 4 (Multiple Choice Worth 1 points)

A quadratic equation has an x-squared term, an x term and a constant term.

Sometimes

Always

Never



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Question 5 (Multiple Choice Worth 1 points)

Choose all of the following equations that have a graph in which the parabola opens downward. More than one answer may be chosen.

y = 2x2 + 2x + 8

y = −4x2 + 8x − 19

y = 16x2 + 2x − 4

y = −x2 − 6x + 10



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Question 6 (Multiple Choice Worth 1 points)

Find the vertex of the quadratic equation: y = 2x2 + 12x − 4.

(−3, 50)

(3, 50)

(−3, −22)

(−3, −58)



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Question 7 (Essay Worth 4 points)

Compare and contrast the two quadratic equations below. In order to receive full credit, use complete sentences to describe the following:

The direction each parabola opens
The vertex of each parabola
y = x2 − 4x
y = −2x2 + 8x − 12

Answer 2

Your first question, listed as Question 2, requires a few steps: the right hand side of the equal sign, multiply the two brackets FOIL (that is the first step to get you started)