Chapter 1 Practice Test A Name___________________________________Evaluate.1)m- n3, for m = 16 and n = 10Solve the problem.2)The area of a triangle with base band height h is given by the formulaA=12bh. Find the area of a trianglewhen the base is 12 cm and theheight is 5 cm.3)-10+ (-22)+ (-19)+ (-3)4)-20+2- (-1)-15+ (-8)5)-10· (-10)6)(-7)(-3)(-6)7)55-58)-63-3Combine like terms.9)-8z- (-4z)110)-7+7m+12+ (-9m)11)-8+ (-4x)+ 7x- 512)-13y+ (-8x)+(-5x)Simplify.13)-6214)27-5·323÷ 22-(-2)215)4(-2)+9(-7)16)5·(2+5)2-2·(5-3)217)(-3y)218)-3(7r+ 5)+ 6(8r+ 2)19)3x- y-3(9x-8y+3z)2Evaluate.20)5x-3x2x2- 10, for x = -321)x+ y5, for x=8 and y=722)5+x4, for x= -1Write the expression using exponents.23)4·4·4·4·4·424)7p·7p·7p·7pUse the distributive law to factor the givenexpression.25)5s+35+50t26)7x+14y27)11+11z3Use the distributive law to multiply.28)(4+u+ v)229)8(6x+5)Use the commutative law of multiplication towrite an equivalent expression.30)6a+ bFind the absolute value.31)-432)193Name the correct property to make the sentencetrue.33)4r is equivalent to r4 by the34)(8m)g is equivalent to 8(mg) by theUse the associative law of addition to write anequivalent expression.35)w+ (xy+z)4ANSWERS PRACTICE TEST A36)1. 22. 30 sq. cm.3.-544. -40 20. 425. 100 21. 36.-126 22. 67.-11 23. 468. 21 24.(7p)49.-4z 25. 5(s+ 7+ 10t)10.-2m+ 5 26. 7(x+ 2y)11. 3x-13 27.11(1 + z)12.-13y- 13x 28. 8+2u+ 2v13.-36 29.48x+ 4014.-6 30. a6+ b15. 55 31. 416. 237 32.19317. 9y233.commutative law for multiplication18. 27r- 3 34.associative law for multiplication19.-24x+ 23y- 9z 35. (w+ xy)+