Pretest Answers

What is the discriminant of the quadratic equation 0 is equal to negative x squared plus 4 x minus 2 ?

What is the positive solution to the equation 0 is equal to negative x squared plus 2 x plus 1 ? Quadratic formula: x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A

Nathaniel is using the quadratic formula to solve 0 is equal to x squared plus 5 x minus 6 Step 1: Gather necessary information. x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A ; a is equal to 1 , b is equal to 5 ; c is equal to negative 6 Step 2: Substitute. x is equal to the fraction with numerator negative 5 plus or minus square root of 5 squared minus 4 1 negative 6 end root and denominator 2 times 1 Step 3: Simplify. x is equal to the fraction with numerator negative 5 plus or minus square root of 49 and denominator 2 What are the solutions to the equation?

In simplest radical form, what are the solutions to the quadratic equation 0 is equal to negative 3 x squared minus 4 x plus 5 ? Quadratic formula: x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A

What is the discriminant of the quadratic equation 0 is equal to 2 x squared plus 3 x minus 5 ?

What is the discriminant of the quadratic equation 3 minus 4 x is equal to negative 6 x squared ?

A quadratic equation of the form 0 is equal to a x squared plus b x plus c has a discriminant value of negative 16 How many real number solutions does the equation have?

In simplest radical form, what are the solutions to the quadratic equation 6 is equal to x squared minus 10 x ? Quadratic formula: x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A

What is the value of the discriminant of the quadratic equation negative 2 x squared is equal to negative 8 x plus 8 , and what does its value mean about the number of real number solutions the equation has?

Rhett is solving the quadratic equation 0 is equal to x squared minus 2 x minus 3 using the quadratic formula. Which shows the correct substitution of the values a , b , and c into the quadratic formula? Quadratic formula: x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A