Math

Math 125 Exam 1B - Sections 1.2 - 1.8 Total Points: 100 NO track down SHOWN = 0 POINTS AWARDED! Each question is expenditure 4 points. Solve the equation. 1) -49(x + 4) = -28(x + 7)= -49x-196=-28x-196 = +28 +28 =-21x-196=-196 = +196 +196 =-21x=0 =-21x/-21=0/-21 X=0 2) 7x + 1.3 = -17.6 -1.3 -1.3 =7x=-18.9 =7x/7=-18.9/7 X=-2.7 3) (x - 5) - (x + 9) = 6x= x-5-x+9=6x =4-6x =4/6=6x/6 2 /3=x 4) 6x + 3 = 3x 21 -3 -3 =3x+3=-21 -3 -3 3x=-24 3x/3=-24/3 X=-8 quaternary CHOICE. Choose the one alternative that scoop completes the argumentation or answers the question.

5) x+66+x-23=56 6(x+66+x-23)=566 =(x+6)+2(x-2)=5 X+6+2x-4=5 3x+2=5 -2 -2 3x=3 3x/3=3/3 X=1 or B A) 0 B) 1 C) 11 2 D) 15 simplify the expression. 5) 3125-9-81-7 5(-9)-9(-7) =-45-(-63) =18 or D A) -108 B) -18 C) 27 D) 18 7) |12(-3)| - |1 - 8| =-36--7 = 36-(-7) =36+7 =43 or A A) 43 B) -43 C) 29 D) -29 SHOW ALL hammer! Simplify! the expression. 8) 7[-4 + 3(-2 + 7)] =7-4+3(5) 7-4+15 =7(11) =77 or B A) -13 B) 77 C) -39 D) -35 Simplify the expression. 9) 45x+12-16x-23 =2430x+1530-530x-2030 =1930x-530 =1930x-16 MULTIPLE CHOICE. Choose the one alternative that high hat completes the statement or answers the question. SHOW ALL WORK! Simplify the expression. 10) 7(12 - 21)2 7(-9)^2 =7(81) =567orC A) 81 B) -567 C) 567 D) -63 11) 75-(-5)-8 =75+5-8 =80-8 =-10 or B A) 9 B) -10 C) -9 D) 10 Simplify the expression. 12) (9x - 12) - (5x + 1) = 9x-12-5x+1 =4x-12+1 =4x-11 Write the...If you neediness to corroborate a full essay, order it on our website: OrderCustomPaper.com

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