Finding the Value of Quadratics

Solve
x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Factor x² + x - 2

• (x + 1)(x - 2)

• (x - 1)(x + 2)

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

Tags

CCSS.HSA-REI.B.4B

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

The equation y = x²  is graphed.  Based on this graph, what are the roots of the equation x²  = 0?

• 0

• -1 and 1

• 2 and 0

• y

How many x-intercepts does it have?

• 0

• 1

• 2

• 4

Tags

CCSS.HSF-IF.C.7C

For the function below, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

Write this equation x² -6 = x in standard form.

• x² +6x=0

• x² -6x=0

• x² -x -6 =0

• x² +x -6

In the equation y = x² +5x +7, match each leading coefficient with its correct letter.

• a=0, b=5, c=7

• a=1, b=5, c=7

• a=7, b=5, c=1