Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.

x^2-21=-4x

a. 7,3

b. - 7,4

c. 7,-3

d. - 7,-3

The graph below could be the graph of which exponential function? i'll do the graph A. F (x) = 2 * (1.1) ^x B. F (x) = 2 * (0.5) ^x C. F (x) = 2 * (2) ^x D. F (x) = 2^x

A rocket launched at an angle into outer space. After a minute, the rocket traveled 5 miles and had an altitude of 3.5 miles. What is the angle of elevation that the rocket was launched at?

How many times does 3 go into 1000

You decide to take advantage of the current online dating craze and start your own Web site. You know that you have 600 people who will sign up immediately and, through a careful marketing research and analysis, determine that membership can grow by

Twenty-seven is 25% of ___?

The total number of fruit she bought was less than 100. She bought more apples then pears. Write a system of inequalities that describes the context.

One pumpkin vine produce 5pumpkins I harvest 30 how many vines do I have

The length of segment xy is 9 cm. which statements regarding triangle xyz are correct? check all that apply. yz = 9 cm xz = 9 cm xz = cm xz = 2 (xy) yz is the longest segment in △xyz.

Jasper planned to run 6 miles this morning. After he had completed 5 1/2 of his run, he sprained his ankle and had to stop. How many miles did Jasper run before he sprained his ankle?

The hypotenuse of a right triangle is always opposite from which of the following? A. acute angle B. my right angle C. obtuse angle D. none of the above