Show:
Solving Quadratics
Quadratic Formula
The Discriminant
Radical Expressions
Simplifying Radicals
100
2x^2 - 18 = 0
What is +- 3
100
Solve using the quadratic formula: 4x^2 + 7x - 15 = 0
What is x = -3, 5/4
100
How many solutions does x^2 - 2x + 3 = 0 have?
What is none.
100
4√2 - 7√2
What is -3√2
100
√225
What is 15
200
Find the length of a side of a square with an area of 169m^2
What is 13
200
Use the quadratic formula to solve: 2x^2 + 5x + 3 = 0
What is x = -3/2, -1
200
How many solutions does x^2 + 7x - 5 = 0 have?
What is 2
200
√28 - 5 √7
What is -3√7
200
√50x^5
What is 5x^2√(2x)
300
Find the radius of a circle with an area of 90cm^2 (Round every step to the nearest hundredth)
What is 5.35 cm
300
Use the quadratic formula to solve: x^2 - 2x + 3 = 0
What is No Solution
300
What is the value of the discriminant: x^2 + 3x + 11 = 0?
What is -35
300
√6(√2 + √3)
What is 2√3 + 3√2
300
√(18n) x √(98n^3)
What is 42n^2
400
x^2 + 11x + 10 = 0
What is x = -1, -10
400
Use the quadratic formula to solve: 9x^2 + 12x + 4 = 0
What is x = -2/3
400
How many solutions does x^2 - 15 = 0 have?
What is 2
400
(√6 + √3) (√2 - 2)
What is -√6
400
10√(12x^3) x 2√(6x^3)
What is 120x^3√2
500
You are building a rectangular deck. The area of the deck should be 250ft^2. You want the length of the deck to be 5 ft longer than twice its width. What should the length and width of the deck be?
What is width is 10 ft and length is 25 ft
500
A football player punts a ball. the path of the ball can be modeled by the equation y = -0.004x^2 + x + 2.5, where x is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball. How far from the player will the ball land? Round to the nearest tenth of a foot.
What is 252.5 ft
500
What is the value of the discriminant: 9x^2 + 12x + 4 = 0?
What is 0
500
3 / (√7 - √3)
What is (3√7 + 3√3) / 4
500
1/√11
What is √11 / 11