Solving Quadratic Equations by Factoring Answers
What value(s) of x make the equation x2 - 18x + 81 = 0 true?
Select all of the values that are solutions of x2 + 20 = 12x.
Which equation has solutions of 6 and -6?
What are the solutions of 8x2 = 6 + 22x? Check all of the boxes that apply.
What are the solutions to the equation? -2, 162, -16-4, 8✔ 4, -8
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 = 0✔ 2w² - w - 28 = 0X 2w² + w - 28 = 02w² + w + 28 = 0
What is the length of the rectangle? 3 feet4 feet✔ 7 feetX 8 feet
What did you include in your response? Check all of the boxes that apply.
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?
Peta attempted to solve the following equation. Explain Peta's error. x (x - 5) = 20 x = 20 and x - 5 = 20 x = 20 and x = 25
Peta cannot set x and x − 5 each equal to 20 because their product is 20, not zero. The zero-product property does not apply. The equation is quadratic and its solutions are (5 + √105)/2 and (5 − √105)/2.
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