UNIT 1 REVIEW Translating Evaluating Simplifying

Translating 4 Tricky Words – Less Than 1 st goes 2nd – Subtracted from – Sum Addition with ( ) – Difference Subtraction with ( ) 7 less than a number x- 7 3 times the sum of a number and 9 3( x + 9)

Evaluating Step 1 – Write any invisible ( ) that are needed Fractions with stuff on top or/and on bottom Step 2 – Replace any variables with ( ) Step 3 – Plug in values for variables Step 4 – Calculate

x = 2 y=-2 z=-1

Simplifing Distribute anything outside the ( ) Combine like terms – Variables and Exponents must be the SAME Then add or subtract coefficients and keep variable

CALCULATORS Fraction 1/3 o 1 Abc 3 o Mixed number 2 ½ o 2 Abc 1 abc 2 o -3 Negative 3 o (-) 3 Button beside equal button o Decimal to fraction o 2 nd PRB enter o Mixed number to improper fraction o 2 nd Abc enter