Mixed Review Algebra

• 7

• 5

• -1

• 1

Use the quadratic formula to determine the solutions.

2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

What are the solutions of 7x² + 8x + 1 = 0? Solve using the quadratic formula.

• -1, 1/7

• 1, 7

• -1, -7

• -1, -1/7

What will you do to solve this equation?

4x = 16

• divide both sides by 4

• multiply both sides by 4

• subtract 4 from both sides

• divide both sides by 16

What is the minimum or maximum of a quadratic equation?

• AOS

• y-intercept

• root/x-intercept

• y of the vertex

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Which correctly defines the y-intercept?

• the value of y when x = 0

• the value of x when y = 0

• the maximum value

• the rate of change

• 6

• 0

• 2

• 4

What will you do to solve this equation?

• subtract 6 from both sides

• add 6 to both sides

• subtract 3 from both sides

• add 3 to both sides

All of the x values or inputs are called what?

• Domain

• Range