C 41x4 d. 410 x 400 41 ones x 4 ones 164 ones 41 tens x 4 hundreds 41x 4 164 410 x 400 = 3,310 x 300 f. 500 x 600 tens x

Equations and inequalities describe the relationship between two mathematical expressions.

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.