Find the discriminant and the number of real roots for this equation.

x^2+2x+8=0

A. 32; two real roots

B. - 28; one real root

C. 32; one real root

D. - 28; no real roots

An emperor penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height h (in inches) of a rockhopper penguin. Is your answer reasonable? Explain

Factorise x2-22-+117

Which of the following best describes 6x^3 - 5y^2 according to the number of terms? A. monomial B. Trinomial C. binomial

2. Solve the following inequality - 1 >-2 (x-4) - 5 (4x - 7). A. x > 8 B. X2 C. x < 2 D. X > - 23

The sum of two numbers is 24. the sum of the squares of the two numbers is 306. what is the product of the two numbers?

ne Given vectors u and v, find (a) 3u (b) 3u + 2v (c) v-2u. ests (a) 3u (Type your answer in terms of i and j) nten ucce

Seth spent $3.26 on a salad. How much did his salad weigh?

A licensed nurse practitioner is instructed to give a patient 1500 milligrams of an antibiotic over a period of 48 hours.

You can buy 5 pounds of grapes for $9.95. what is a proportion that gives the cost c if you buy 4 pounds of grapes

Why do you think rates are usually written as unit rates?