Sec 1.8-Focus

# Sec 1.8-Focus - Section 1.8 1 Focus Exercises Abbreviate...

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Definitions of Algebra page 1.8 - 13 Section 1.8 Focus Exercises 1. Abbreviate each expression with familiar symbols. You do not need to evaluate these. a) The difference of fourteen and two. b) The square root of sixteen. c) The sum of fifteen and ten. d) The third power of five. e) The product of eleven and eight. f) The quotient of twelve and four. 2. Write each abbreviation in English. a) 9 · 20 b)  64 c) 16 4 d) 18 ÷ 3 e) 3 5 f) 8 + 10 3. Translate each English expression into an Algebraic expression. Use any variable of your liking to represent the unknown number. a) The product of - 3 and a number: b) The quotient of a number and 7: c) The difference of - 9 and a number: d) The sum of - 10 and a number: e) The square of a number: f) The difference of a number and - 8;

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Definitions of Algebra page 1.8 - 14 4. Substitute the variable with the replacement value given, then evaluate the result. a) y – k replace y with - 4 and k with (- 2): b) - 3mh replace m with - 5 and h with - 6: c) y + 6 - 2k replace
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