Quadratics Vocab?
Solve by Factoring
Any Method
Challenging Solutions
Word Problems
100

When you are solving a quadratic equation by factoring, the value you must set the equation equal to.

What is 0?

100

The solutions to (4x + 5)(x + 1) = 0

What are x= -5/4 or x= -1?

100

The number that be must be divided by in order to find c when completing the square.

What is 2?

100

The solutions to -5x = - 500.

What is x = 10 or x = -10?

100
The sum of a number and its square is 30. Find the numbers.
What are -6 or 5?
200

The number of solutions in most quadratic equations.

What is two?

200

The solutions to 6x2 - 18x - 18 = 6

What are x = 4 or x = -1?

200

The solutions to 2x2 + 9 = 9x.

What are 3 and 6?

200

The number (as a fraction) you need to add to both sides of the equation x^2 - 5x = 4 in order to complete the square.

What is 25/4?

200

The length of a photograph is four cm longer than its width. The area is 45. Find the length and width of the photograph.

What is a width of 5 and a length of 9?

300

The process of finding a new constant in a quadratic equation to make the left side of the equation a perfect square.

What is completing the square?

300

The roots of 35x2 - 22x + 7 = 4

What are x = 1/5 or x = 3/7?

300

After completing the square, the solutions to x2 = 6x + 7

What is x = -1, 7?

300

Solve by completing the square: x2 + 14x = 51

What are x = 3 or x = -17?

300

The width of a rectangle is 3 inches more than twice its length. The area of the rectangle is 44. Find the dimensions of the rectangle.

What is a width of 11 in. and a length of 4 in.?

400
The two ways we've discussed to solve quadratic equations.

What is factoring and completing the square?

400

The solutions to -4x2 - 8x - 3 = -3 - 5x2

What are x = 0 or x = 8?

400

After completing the square, the solutions to x2 + 4x - 8 = 1

What is x = -2 + rad11 or x = =2 - rad11

400

The solutions by completing the square of x2 + 6x = 59.  (Leave as an exact answer square root)

What are x = -3 + 2rad17 or x = -3 - 2rad17?

400

A circus acrobat is shot out of a cannon with an initial upward speed of 44 ft/s. If the acrobat leaves the cannon 12 ft. above the ground, the time it takes him to reach the ground. (Use h = -16t^2 + vt + c)

What is 3 seconds?

500

The standard form of a quadratic equation. (use the appropriate variables for the coefficients and constant)

What is ax2+bx+c=0?

500

The solutions of x2 + 7x + 10 = 0.

What are x = -5 or x = -2?

500

After using the completing the square, the solutions to x2 - 3x - 4 = 0.

What are x = -1 or x = 4?

500

The solutions to 16x2 = 49.

What are x = -7/4 or x = 7/4?

500

(Use h = -16t2 + vt + c) A diver springs from the edge of a cliff 24 ft above the ocean with an initial upward velocity of 8 ft/s. The time when the diver reaches her MAXIMUM HEIGHT.

What is 1/4 sec?