Forms & Solving Quads RE-TAKE QUIZ (one try)

In what form is the quadratic

 $y=-5x\left(x+3\right)$  written in?

• standard form

• vertex form

• factored or intercept form

• none of the above

Given the quadratic:

 $y=\left(x+3\right)\left(x-5\right)$  

What is the quick key feature that can be found from this form of a quadratic?

• y-int, (-3, 5)

• x-ints, x = -3, 5

• x-ints, x = 3, -5

• vertex, (3, -5)

Given the quadratic:

 $y=-3\left(x+2\right)\left(x+6\right)$  

Find the solutions.

• 2 and 6

• -3 and -6

• -2 and 6

• -2 and -6

What is the form of the quadratic?

 $y=2x^2-15$  

• standard form

• vertex form

• factored or intercept form

• none of the above

Given the  quadratic:

 $y=2x^2-15$  
What is the quick key feature that can be found from this form?

• y-int, -15

• x-ints, 2 and -15

• vertex (2, -15)

• y-int, 15

In what form is the quadratic:

 $y=-4\left(x+3\right)^2+5$  written in?

• standard form

• vertex form

• intercept or factored form

• none of the above

Given the  quadratic below. What is the quick key feature that can be found from this form?

 $y=-4\left(x+3\right)^2+5$ 

• y-int, 5

• vertex, (-3, 5)

• x-ints, -4, 5

• x-ints, -3, 5

Which of the following quadratics are in vertex form?

Check all that apply.

• $y=-\left(x+5\right)^2-2$

• $y=\left(x+1\right)^2$

• $y=x\left(x-9\right)$

• $y=4x^2+2x-9$

• $y=\left(x-4\right)\left(x+2\right)$

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.B.3

Which of the following quadratics are in factored or intercept form?

Check all that apply.

• $y=-\left(x+5\right)^2-2$

• $y=\left(x+1\right)^2$

• $y=x\left(x-9\right)$

• $y=4x^2+2x-9$

• $y=\left(x-4\right)\left(x+2\right)$

Will the parabola of this quadratic open UP or DOWN?

 $y=-2x^2+3x+3$  

• up

• down