QE: Extracting square root

Which of the following is a quadratic equation:

• 4x + 7 = 12

• 2x² - 5x = 9

• 2x^-2 + 3x – 8 = 0

• none of thes

Solve for x for the equation: 3x² - 147 = 0

• . -7

• 7

• both a and b

• none of these

Given: (x - 3) / 4 = 7 / x

Convert the quadratic equation in standard form.

• . x² + 3x – 28 = 0

• . x² - 3x – 28 = 0

• . x² + 3x + 28 = 0

• . none of these

Given: (x - 3) / 4 = 7 / x; Solve for x.

• +7 and +4

• +7 and -4

• -7 and +4

• none of thes

Solve for x for the equation: x² + 4x = 12

• +6 and +2

• +6 and -2

• -6 and +2

• none of these

Given: 2x² + 42 – 30x = x² -12x – 38;

Convert the quadratic equation in standard form

• 2x² + 30x – 68 = 0

• x² - 18x + 80 = 0

• 3x² – 42x + 4 = 0

• none of these

Given: 2x² + 42 – 30x = x² -12x – 38; Solve for x.

• -17 and +2

• +0.1 and +13.9

• +10 and +8

• none of these

Given: x (2x – 5) = 12;

Convert the quadratic equation in standard form.

• 2x² + 7x – 12 = 0

• 2x² - 5x - 12 = 0

• 2x² – 11x + 12 = 0

• none of these

Given: x (2x – 5) = 12; Solve for x.

• + 4 and ⁺³/₂

• +1.3 and -4.8

• +4 and ^-3/₂

• none of these

Solve for x for the equation: x² + 16x - 36 = 0

• -13.3 and -2.7

• +18 and -2

• -18 and +2

• none of these

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4