University:
Central Michigan University
Course:
MTH 101 | Elementary Algebra
Academic year:

2024
Views:

493

Pages:

6
Author:

Aubrie Ramirez

Practice Midterm Exam Algebra 1 CP Name: KEY 1. Write an algebraic expression for 7 less than the square of a number. A. 7x² C. 7-x² x²-7 6(3)²+5(16-3(3)) = 54+5(7) 2. Evaluate: 6a²+b(c-3a) if a=3, b=5, c=16 A. 116 889 C. 125 = 54+35 D. 71 3. What is the simplest form of: 4[5r+2(3+5)] 4 [5t + 6t+10]= 4[llt+10]=44t+40 A. 4(11r+10) B. 26-10 447+40 D. 84/ 4. Distance traveled (d) equals the rate (r) times the lime (1). If Jenny drove at a rate of 57 mph for two and a half hours, how far did she travel? d=57.2.5 = 142.5 A. 28.5 miles B. 114 miles C. 157 milles 5. What fractions are written in order from least to greatest? (D) 142.5 miles 679 B. 13 11 14 C. 967 14' 11' 13 79 6 D. 13' 14' 11 -3x+12 6. Simplify: = -3x+12 +=x-2 -6 6 -6 A. 3x+2 B. -3x-2 C.-x+2 7. Fill in the blank: -7 3 A. = B C. < 8. Solve: m-(-4)=7 m+4=7 m=3 A. 3 B. -3 C. 11 D. -11 9. Solve: 7-x-2 -77 -x = -5 x=5 A. 9 B. -9 5 D. -5 x+y=-46 10. The sum of two integers is-46. The greater integer is 13. What is the lesser integer? X+13-46 x=-59 A. 59 D. 33 11. Solve: 16. =-18.6 T A-108 B-59 C. -33 m = -108 B. 108 C. 3 D. -3 23. Ninety is what percent of 200% 90 200 100 200x = 9,000 x=45 A. 55% B. 40.5% C45% D. 20% y=ax 24. If y varies directly as x, and y = 7.5 when x=2, find y when x=5. 7.5 2.2 A18.75 8. 1.33 C. 3 275=a. D. 75 y = 3.752 y 3.75-5 y=18.75 25. Write the equation in slope-Intercept form: 2x-3y=6 -3y = -2x+6 2 A. y=-x-2 2 y=x-2 C. y=x+2 2 3 y=x-2 D. It's already in slope-intercept-form 26. Identify the slope of the line with the equation: y - 3x = 5 y = 3x +5 A-3 3 C. 13 D. 5 :7 4-3 27. Write the equation for the line that passes through (3. 2) and (4, 9). A. y=7x+2 8. y=7x-11 y-27(x-3) 4-2:7x-21 y=7x-19 c. 11 y=x+y=7x-19 x+2y = 2 :y=-2x+1 (2x+y=1)2 27. Write the equation in standard form: 1 x+y=1 2 x+2y=2 D. It's already in standard form 1 A. x+y=1 2 1 B. y=x+3 A. y=x+7 2 29. Solve: v-835 +8 +8 V243 Av<43 B. v>27 28. Write an equation for the line that passes through (4, -5) and is perpendicular to the line y=2x+3 1 y=2x-3y+5=(x-4) m=- 2 y+5= -2x+2 y=-2x-3 C. y=2x-3 C. v <27 D. v >4 30. Solve: 3.81-14.6 W4-18.41 -3.gl -3.81 A. w < 10.79 3 31. Solve: > 8 2 m+ B. w >-18.41 C. w > 10.79 w <-18.41 m> 1 m>? 8 32. Solve: 623 19 7 B. m < 8 C. m D. m> 8 1219 А. 2-19 219 ≤ 19 D. S 33. Solve: 351225 +10 A. s>2 B. 5-2 34, Solve: -18 ≥ 3t -6=t same as t4-6 A. 156 5 > 35. Solve: B. 12-6 C. d < 5 36. Solve: -3.52 < 42 -35 -3.5 A. 12 37. Solve: 4w66w 20 Mh- -4w Z > -12 B. 12 B. w< 2 Aw < 7 C.-12 -672w-20 +20 +20 C. w < -7 1472w =>-12 77w same as w<7 -14710m-15-m -1479m-15 38. Solve: -14 > 5 (2m-3)-m A. m 9 D. w <-2 1>9m >m same as ma 8-(5r+4)2-31 8r-5r-42-31 31-42-31 39. Solve: Ars-9829 C. 29 D. r ≤ 9 3r≥ースフ 2-9 40. The graph shows the solution set for which of the following inequalities? -5 -4 -3 -2 -1 0 1 2 3 4 5 A. x<3 41. Solve: -25 15x-10-20 +10 4 A.-1-3 -1515x430 -12x22 15 15 B. x <2 C.-12 + -5 -4 -3 -2 -1 0 1 2 3 4 5 A B. -5 -4 -3 -2 -1 0 1 2 3 4 5 C. D. -5 -4 -3 -2 -1 0 1 2 3 4 5 -5-4-3-2-1 0 1 2 3 4 5 ① 43. What compound inequality is graphed below? -5-4-3-2-1 0 1 2 3 4 5 A. -1<<2 С. 2-1 or 2 D.-1<≤2 44. Which of the following is the graph of the solution set of: 4<3+5≤20 -5 -5-5 A -5 -4 -3 -2 -1 0 1 2 3 4 5 3 B. -5 -4 -3 -2 -1 0 1 2 3 4 5 3 3 -34455 5-4 -3 -2 -1 0 1 2 3 4 5 D. 414 -5-4-3-2-10 1 2 3 4 5 45. Solve: 3x-8-132 3 3 A. 44, 44 1x-81 = 44 B. -52.52 46. Solve: 2x+8/4 less thand! A-64 43 B. x>4 47. Solve: 2x-7/1 greator! A. 3-x-1 D. x <-4 or x4 Shading is below and live is solid, so it must be y

Math Algebra Practice Midterm Answer Key

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