Solve the following quadratic equation by using square roots: x2 = 121
Solve the following quadratic equation by completing the square: x2 + 6x = -8
Determine the a, b, and c values of the following quadratic.
5x2 -3x = 6
a= 5
b= -3
c= -6
Is the following rational or irrational? WHY?
sqrt(5) x sqrt(5)
Rational, sqrt(25) = 5 which is a whole number
Solve the following quadratic equation by factoring. x2+3x+2 = 0
Solve the following quadratic equation by using square roots: 4x2 = 400
Solve the following quadratic equation by completing the square: x2 - 6x = -5
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
Simplify the following sqrt(80)
4 sqrt(5)
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
Solve the following quadratic equation by using square roots: x2 -9 = -8
Solve the following quadratic equation by completing the square: x2 - 2x - 24 = 0
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 20 = 0
Is the following rational or irrational? WHY?
sqrt(100) x sqrt(6)
Irrational. While sqrt(100)=10, sqrt(6) does not simplify and therefore their product is 10sqrt(6) which is irrational.
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
Solve the following quadratic equation by using square roots: 5x2 + 3 = 128
Solve the following quadratic equation by completing the square: x2 + 10x +16 = 0
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
Rationalize the denominator and simplify.
5/sqrt(10)
sqrt(10)/2
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
Is the following rational or irrational? WHY?
sqrt(3) x sqrt(48)
Rational! Product is sqrt(144) = 12 which is a whole number and therefore rational.