If the Discriminant of an equation is zero, which of the following is true of the equation?

a. it has one real solution

b. it has one complex solution

c. it has two real solutions.

d. it has two complex solutions

The equation for the pH of a substance is pH = - log[H+], where H + is the concentration of hydrogen ions. Which equation models the concentration of hydrogen ions (H+) of a solution whose pH is 7.2?

What is the conversion factor that you can use to convert gallons to pints?

Write and solve an addition equation to find x. Perimeter = 48 ft An addition equation for this problem is = 48. The solution is x = feet.

Determine whether quadrilateral ABCD with vertices A (-4,-5), B (-3,0), C (0, 2), and D (5, 1) is a trapezoid.

Log2cos (x) How do I find the derivative of the following question

Jessica is knitting a scarf. She has completed 7.5 inches and can knit at the rate of 2 inches per hour. Write an expression that can be used to find the number of inches she will have completed after h hours. Then evaluate the expression for h=4.

Suppose tom has 23 coins totaling $4.25. if he has only dimes and quarters, how many of each type does he have?

Express ax - a + x - 1 as a product of two binomials.

0.09 is 10 times as much as

Your gym membership costs $30 to join and $25 per month. Which equation gives the total cost, y, for a membership that lasts x months?