Solving Quadratic Equations and Inequalities

x² =196

Find the possible value of x, if x is a negative number.

• x=16,-16

• x=-14

• x=14

• x=-13

x² > 64

Solve the above quadratic inequality. Choose the correct option.

• -8 < x < 8

• x < -8, x > 8

• x > -8, x > 8

• x < -8, x < 8

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

Solve the system of inequalities

y² - 1 ≥ x

y ≤ (x-1)²

• Region 1

• Region 2

• Region 3

• Region 4

• Region 5

Convert the equation to vertex form:

y=3x² -12x + 6

• y=(x-2)² + 2

• y=(x-2)² - 2

• y=3(x-2)² + 6

• y=3(x-2)² - 6

When figuring out which side to shade, which point would not be helpful?

• (0,0)

• (1,1)

• (0,3)

• (3,2)