Quadratic Formula Review Rational Answers

Which of the following is the quadratic formula?

To solve a quadratic equation that has irrational solutions, you must use...

• Factoring

• Split the Middle

• The Determinant

• The Quadratic Formula

If the determinant of a quadratic equation is positive and is a perfect square, how many solutions does it have?

• 0 Real Solutions

• 1 Rational Solution

• 2 Rational Solutions

• 2 Irrational Solutions

If the determinant of a quadratic equation is negative, how many solutions does it have?

• 0 Real Solutions

• 1 Rational Solution

• 2 Rational Solutions

• 2 Irrational Solutions

Solve x² - 2x - 8 = 0 using the quadratic formula

• x = 2 , -3

• x = 4 , -2

• x = 2 , -4

• x = 3 , -2

• No Solution

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6

• x = -5/2, x =5

• x = -3/7, x =6

• x = -5/2, x = 7

Solve using the quadratic formula :

x² - 7x + 12 = 0

• x = 3, -4

• x = -3, 4

• x = 3, 4

• x = -3, -4

Solve using the Quadratic Formula:

4x²+8x-12=0

• 1,-7

• No Solution

• 1,-3

• 4.75,-3

Solve n² - 4n + 4 = 0 using the quadratic formula

• x = 3, 2

• x = -2, -3

• x = 2

• x = -2

• No Solution

Solve using the Quadratic Formula:

2x²+7x-39=0

• -2,-8

• 3,-6.5

• 6.5,-2

• 8,2