Solve by Factoring
Use the Zero Product Property to solve the following quadratic equation. (x - 7)(x + 2) = 0
x = 7 x = -2
Solve the following quadratic equation by using square roots: 7x2 - 28 = 0
x = 2 or x = -2
Find the value of c that completes the square. x2 + 22x + c
c = 121
Solve using the quadratic formula. Round your answer to the nearest hundredth. 5x2 + 12x -2 = 0
x = 0.16 x = -2.56
Find the discriminant and state the number of solutions. 2x2 + 5x - 6 = 0
Discriminant = 73 , Two Real Solutions
Solve the following quadratic equation by factoring. x2 + 3x + 2 = 0
x = -2 x = -1
Solve the following quadratic equation by using square roots: x2 - 121 = 0
x = 11 x = -11
State the value of c that completes the square. x2 - 4x + c
c = 4
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1 x = -5
Find the discriminant and state the number of solutions. x2 + 7x - 1 = 0
Discriminant = 53 , Two Real Solutions
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
x = 5 x = 1
Solve the following quadratic equation by using square roots: 4x2 +17 = 417
x = 10 or x = -10
Solve by completing the square: x2 - 8x +1 = 0
x = 4 +/- sqrt(15)
Solve the following quadratic equation by using the quadratic formula: 3x2 + 4x = 1
x = (-2 +/- sqrt(7))/3
Find the discriminant and state the number of solutions. 18x2+12x+2 = 0
Discriminant = 0 , One Real Solution
Solve the following quadratic equation by factoring. 15x2 + x - 2 = 0
x =1/3 x = -2/5
Solve the following quadratic equation by using square roots: (x+4)2 - 2 = 6
x = -4 +/- 2sqroot(2)
Solve the following quadratic equation by completing the square: x2 - 2x - 35 = 0
x = -5 x = 7
Solve the following quadratic equation by using the quadratic formula: 2x2 + 7 = x
No real solutions
Find the discriminant and state the number of solutions. x2 - 2x + 3 = 0
Discriminant = -8 , No Real Solutions
Solve the following quadratic equation by factoring. 7x2 - 19x = 6
x = 3 x = -2/7
Solve the following quadratic equation by using square roots: 5x2 + 3 = 128
x = 5 or x = -5
Solve the following quadratic equation by completing the square: x2 - 10x = 15
x = 5 +/- 2sqroot(10)
Solve the following quadratic equation by using the quadratic formula: 9x2 = 42x - 49
x = 7/3
Find the discriminant and state the number of solutions. 12x + 9 = -4x2
Discriminant = 0 , One Real Solution