Quadratic Formula Assessment

Which of the following quadratic equation is written in standard form?

Tags

CCSS.HSA-REI.B.4B

• a = 2 , b = 3, c = -5

• a = 2, b = -3, c = 5

• a = 2, b = -3, c = -5

• a = -2, b = 3, c = 5

• Square root

• Quadratic formula

• X-intercepts

• Discriminant 

Tags

CCSS.HSA-REI.B.4B

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

Tags

CCSS.HSF-IF.C.7A

If there are no real solutions, the discriminant is

• zero

• a postive number

• a negative number

• a perfect square

Tags

CCSS.HSA-REI.B.4B

The first step in solving quadratic equations is to . . .

• factor

• write the equation in standard form

• use quadratic formula

• complete the square

Tags

CCSS.HSA-REI.B.4B

If there is one solution, the discriminant is . . .

• zero

• a postive number

• a negative number

• a perfect square

Tags

CCSS.HSA-REI.B.4B

Why are quadratic equations set equal to zero?

• Because zero is an easy number to work with.

• Because we are trying to find the x-intercepts and that happens when y=0.

• Because setting it equal to zero helps us find the y-intercepts.

• None of the above

Tags

CCSS.HSA-REI.B.4B

What is "b" in the equation 3x² −7 = 0 ?

• 3

• 7

• 0

• 10

Tags

CCSS.8.EE.A.2