EOC Review Warm-up #4: Solving Quadratic Equations

• Divide both sides of the equation by 3.

• Take the square root of both sides of the equation.

• Subtract 12 from both sides of the equation.

• Find two values with a sum of 5 and a product of 12.

The graph of the quadratic function f is shown on the grid. Which of the following best represents the function?

• x = 21 and

  x = -9

• x = 21 and

  x = 9

• x = 118.5 and

  x = 106.5

• x = 231 and

  x = 216

• 32 centimeters

• 4 centimeters

• 16 centimeters

• 8 centimeters

• Jaxson

• Mercedes

• Both Jaxson and Mercedes

• Neither Jaxson nor Mercedes

• I only

• III only

• I and II

• I, II, and III

• 6.61 feet

• 2.56 feet

• 0.61 feet

• 1.56 feet