Question

Joline is solving the equation 0 = x2 – 5x – 4 using the quadratic formula. Which value is the negative real number solution to her quadratic equation? Round to the nearest tenth if necessary.

Answer 1

a = 1
b = -5
c = -4
x1 = 5.70
x2 = -0.70

Therefore, the negative real number is -0.70.

Answer 2

The correct answer is -0.70.

a= 1

b = -5

c = -4

x1 = 5.70

x2 = -0.70

Therefore, the negative real number is -0.70.

What is a quadratic equation?

A quadratic equation is an algebraic equation of the second degree in x. The quadratic equation in its standard form is ax2 + bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term.

Is negative 1 a real number?

The whole numbers are real numbers that include zero and all positive counting numbers. Whereas, excludes fractions, negative integers, fractions, and decimals. Since -1 is a negative integer and whole numbers do not include negative integers.

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