Solving Quadratic Equations by Factoring Answers

What value(s) of x make the equation x2 - 18x + 81 = 0 true?

What are the solutions to the equation? -2, 162, -16-4, 84, -8

Select all of the values that are solutions of x2 + 20 = 12x.

Which equation has solutions of 6 and -6?

How many times does the graph of 4x = 32 - x2 cross the x-axis?

When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Which equation represents this situation?

When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Select all of the values that the number could be.

Which equation represents the situation? 2w² - w + 28 = 02w² - w - 28 = 02w² + w - 28 = 02w² + w + 28 = 0

A ball is thrown into the air with an upward velocity of 80 feet per second. The function h = -16t2 + 80t models the height h, in feet, of the ball at time t, in seconds. When will the ball reach the ground?

What is the length of the rectangle? 3 feet4 feet7 feet8 feet