Math 017 Materials With Exercises

APPENDIX B:SAMPLE TESTS_____________________________________________________________________________________Sample Test 1 (Lesson 1-3)_____________________________________________________________________________________1. Write the following statements as algebraicexpressions. Remember to place parentheses whereneeded (please, place them only when needed).a) two seventh of xyb) the product of x and y 2c) xy raised to fourth powerd) Subtract A from B, and then multiply by Ce) take the opposite to x , and then raise it tothe third power___________________________________________2. By placing the minus sign differently, write thea bexpression in two additional equivalentcways. Use parentheses when needed.___________________________________________3. Let m 2. Rewrite the expression replacing thevariable with its value (Remember to placeparentheses ) and then evaluate, if possible.Otherwise write “undefined”.41a) m b) 5 m c) m d)2 m___________________________________________4. Let a 0.1,b 0.3 . Rewrite theexpression replacing the variable with its value(remember to place parentheses ) and thenevaluate, if possible. Otherwise, write3 16. Let x , y . Rewrite the expression4 5replacing the variable with its value (rememberto place parentheses ) and then evaluate, ifpossible. Otherwise write “undefined”.xa) 8x 5yb) 5 xy c) y___________________________________________7. Determine which of the following expressions areequal to xx xx( 1) 1x12x11___________________________________________8. Write the expressions 1 x y as a single3 3fraction. .__________________________________________9. Fill in the blanks to make a true statement.Aa) A___________y2a b 2ab) __________c c3ac) a ______________4b 2 ___________________________________________“undefined”. a) a b b) 100 ab c)10. Perform all numerical operations that area possible. If no simplification is possible, write “not_______________________________________ possible”. a) 4 2xb) ( 4x)( 2)5. Write an algebraic expression representing the2 3x Ac) ( 2x) d) e) 12 xopposite of (do not remove parentheses):93 B_____________________________________________________________________________________Sample Test 2 (Lesson 1-3)_____________________________________________________________________________________x 32. Write the following statements as algebraic1. The expression cannot be evaluated for expressions: x 2a) x raised to the 4which of the following values of x? List all.th power, then subtracted from y.b) the sum of 5 and three-forth of a number.a) x 2 b) x 2c) x 0 d) x 3c) the opposite of b 4d) 6 less than the square of a number.Sample Tests 133