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Chapter One Test Review
1.1 Expressions & Formulas
Evaluate each expression if x = -Ββ3 and y = -Ββ4 1. 7π₯! β (π₯ + π¦)! 2. π¦ β 2π₯ 3. β (π₯ β 3π¦)! 1.2 Properties of Real Numbers Simplify each expression. 4. β !
!21π₯ β 7 + 2(4 β 6π₯) 5. β 3π + 3π β 5(π β 2π)
Name the sets of numbers to which each number belongs . (Natural, Whole, Integer, Irrational, Rational, Real) 6. 0.125 7. !
! 8. 2 9. 0
Name the property illustrated.
10. π + 0 = π 11. !!β !!= 1 12. π + π + π = π + π + π
13. π + π + π = π + π + π 14. 1 β 9 = 9 1.3 Solving Equations Solve each equation for the given variable.
15. 5 2 β 3π₯ = 7π₯ + 4 16. 3 = !(!!!)!
Define your variable, write the equation and solve the problem. 17. The length of a rectangle is 5 more than twice its width. Find the length of the rectangle if the perimeter is 100 centimeters. 18. The formula for Area of a triangle is: π΄ = πβ
2 If the Area of the triangle is 12 sq. in. and the height is 3 in., what is the base? 19. Bill purchased chips for the student council meeting. He paid $2.98 for each bag of Central Market organic chips and $1.98 for each bag of HEBβs brand. He purchased 3 more bags of HEB brand than Central Mkt.. His total bill was $15.86. How many of each did he buy? 1.4 Solving Absolute Value Equations Solve each equation.
20. !!!!
+ 6 = 14 21. β3 π β 4 = β9
1.5 β 1.6 Solving Inequalities. Solve each inequality and graph the solution set on a number line. 22. 6 π₯ β 4 β€ β30 23. β7 β€ 2π₯ β 5 < 7 24. β5 β 3π < 7 ππ 2π β 8 β€ 10 25. β3 π₯ + 4 > β6 26. 4π₯ β 2 β₯ 6