What number should be added to the expression x2 + 2x to change it into a perfect square trinomial?

A:1

B:2

C:3

D:4

Name the property that the equation illustrates. Explain. - 0.3 + 0.3 = 0 A. Identity Property of Addition; 0 is part of the equation. B. Inverse Property of Multiplication; a number and its inverse are multiplied. C.

Explain the difference between 331/3% and 33%

Which equation has a y-intercept of 0? A) y = 7x + 1 B) y = - 3x C) y = 4x - 4 D) y = x + 5

A piece of plywood was cut so its length was 8 feet by 4 feet what is the are of the wood

M plus negative 3 dividend by negative 4 equals 4

Identify the 33rd term of the arithmetic sequence 9, 7 1/2, 6.

Find the 72nd term of the arithmetic sequence 11, 7, 3, ...

A runner runs a distance of 280 metres in a time of 40 seconds. What is his average speed?

Estimating perfect squares

What is 8*4 equal to