Parts of Quadratic Equations

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)

• y=(x-2)(x+1)

• y=(x-2)(x-1)

• y=(x+2)(x+1)

Tags

CCSS.HSF-IF.C.7A

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

• the axis of symmetry

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Does the equation open or or down? 
Y = -3x² +7x - 2

• up

• down

Tags

CCSS.HSF-IF.C.7A

The formula
b² - 4ac
is called the

• quadratic formula

• factored form

• vertex formula

• the discriminant

Tags

CCSS.HSA-REI.B.4B

If the discriminant is greater than zero, the equation has

• solution

• solutions

• no solutions

Tags

CCSS.HSA-REI.B.4B

If the discriminant is less than zero, the equation has

• solution

• solutions

• no solutions

Tags

CCSS.HSA-REI.B.4B

The equation
y = x² -12x + 36 has

• solution

• solutions

• no solutions