Use the discriminant to describe the roots of each equation. Then select the best description.

x2 - 5x - 4 = 0

double root

real and rational root

real and irrational root

imaginary root

Lines k and n are perpendicular. if the slope of line k is - 6, what is the slope of line n?

Jackson hate about 8,351 calories worth of food in a week. About how many calories worth of food does he eat every day?

Which of the following polynomials has zeros at x=-4 and x=7?

To find the volume of a cylinder, multiply 3.14 by the radius times the height. Is this True or False?

An item is priced at $14.74. If the sales tax is 4%, what does the item cost including sales tax? A. $20.64 B. $15.33 C. $0.59 D. $30.07

A parabola has the equation y=x^2-x-6. A line has a slope 2 and y-intercept - 2. Think of the system of equations that you can create with this information. What is a good strategy to use in order to solve the system or equations?

Evaluate a2+ab-b2+5 when a=2 and b=3

Which of these is a two-step equation? A. X+9 = 21 B. x = 11 + 2 C. 2x+9 = 21 D. x/3=9

What is the solution to y=2/5x-3 and x=-10

What percent of 99 is 90?