Writing Equations of Quadratics from Solutions

Qudratic equations always have two solutions.

• Always True

• Sometimes True

• Never True

Given zeros of x = 3 and x = -1, what would the equation in standard form be?

(a)  

Which of the equations in vertex form have solutions of

 $7\pm\sqrt{6}$  ?

•  $\left(x-7\right)^2-6=0$  
  

•  $\left(x-7\right)^2+6=0$  
  

•  $\left(x+7\right)^2-6=0$  

•  $\left(x+7\right)^2+6=0$  

Tags

CCSS.HSA-REI.B.4B

Write an equation in Factored Form, whose solutions are  $0$  and  $-7$  .

• y = x(x + 7)

• y = x(x - 7)

• y = x( 7x )

• y = x( -7x )

Tags

CCSS.HSA.APR.B.3

Write the equation for the quadratic in vertex form.

• $y=\left(x-3\right)^2$

• $y=\left(x+3\right)^2$

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

• $y=x-3$

Which equation is CORRECT for the graph?

• $y=\left(x-1\right)\left(x+2\right)$

• $y=\left(x-1\right)\left(x-2\right)$

• $y=\left(x+1\right)\left(x+2\right)$

• $y=\left(x+1\right)\left(x-2\right)$

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the parabola?

• There are no zeros

• 0

• -1 and 3

• -3 and 1

• 4

If a quadratic has real solutions, what are all of the words that mean the same thing. Select all that apply.

• roots

• zeroes

• x-intercepts