Checking Equivalence

Which expression is not equivalent to the other three?

2x + 2 + 2x + 3x - 8

4 + 7x - 2

-2 + 5x + 2x - 4

8x - x - 6

Graph linear equation x=-4

Write an example of the distributive property.

An investigator wanted to construct a 97% confidence interval estimate for the mean of a given population. He took a simple random sample of size n, as indicated above, and constructed a confidence interval of (-9.3, 15.

Which of the following statements explains how to solve for w in the equation A = lw? 1.) Divide both sides by A. 2.) Multiply both sides by l. 3.) Multiply both sides by A. 4.) Divide both sides by l. this is multiple choice

Create a table for each set of values. Test each table for equivalent ratios to find which set of values describes the proportional relationship of the two quantities. 17 ounces of nuts to 22.1 ounces of raisins A) (5, 7) (60, 84) (47, 65.

Which choice represents the solution for x2 = 676? A) x = 16 B) x = 676 C) x = ± 16 D) x = ± 676

Find all zeros of the function and write the polynomial as a product of linear factors. f (x) = 3x4 + 4x3 + 13x2 + 16x + 4

Which sentence is the most accurate definition of an identity? An identity is an equation that is true for all real numbers. An identity is an equation that is true for all real values in its domain.

How do I simplify - 5 (3p+3) + 9 (-7+p)

Round each number to the place indicated. Draw a number line to support your decision. 1. 0.235; Round to the nearest tenth 2. 3.492; Round to the nearest hundredth 3. 8.0769; Round to the nearest thousandth