Algebra 1 Final Exam 2014

If 8√27 is written in simplest a√b form, then the value of a is?24 11 9 3 What is the value of the following? 12 7 -5 17 Which inequality below is true when x = -4 ?a ^{2} < 16x < 2x3 x + 5 > 2x + 14 - 5 x > 18Which inequality is graphed on the number line below? x ≥ 3 x > 3 x ≤ 3 x < 3 Which of the following is a function? a c b d Which of the following is a solution to the linear equation (0, 5) (-1, 6) 5 x + 4y = 18(5, 4) (-2, 7) Which of the following points does fall on the lineNOT(-8, -2) (-5, 4) 2y = 3x + 20 (0, 10) (4, 16) For what value of b will the line whose equation is y = -3x + bpass through the point (-2, 14) 14 12 9 8 The point (a, 5) falls on the line whose equation is y = 4x - 7. Which of the following is the value of a? 13 3 -4 7 What is the slope of the line that passes through the points (3, 4) and (10, 6) Type your answer The point (-2, 3) lies on a line that has a slope of ½. Which of the following points must also lie on this line? (-4, 0) (4, 6) (0, 1) (1, 2) Which of the following equations describes the graph shown below? y = 3/2 x + 2 y = 2/3 x + 2 y = -3/2 x + 2 y = -2/3 x + 2 Which of the following is true about the line whose equation is 6x + 2y = 10 slope = 6 and y-int = 10 slope = -3 and y-int = 5 slope = -6 and y-int = 10 slope = -3 and y-int = -5 Which of the following equations describes the graph shown below? x = 2 x = -2 y = -2 y = x-2 Which of the following lines is a HORIZONTAL line?y = x y = 4 x = -3 y = 2x - 7 What is the slope of the line x = 10?1 0 10 undefined What is the solution to the system of equations (-6, 7) (0, 5) y = ½ x + 5y = -2 x - 5(4, -1) (-4, 3) Which inequality describes the graph below? y<-½x+2 y≤-½x+2 y>-½x+2 y≥-½x+2 Which of the following is a solution to the inequality (6, 5) (8, 1) 5x + 2y < 40 (10, -3) (7, 2) A cell phone company charges a $5 flat fee and 2 cents per minute talked. Which of the following equations represents the plan? C = 0.02m + 5 C = 2m + 5 C = 0.05m + 2 C = 5m + 2 Which equation is a VERTICAL line that passes through the point (-3, 5)? y=5 y = -3/5x y = 5/3x x = -3 Which of the following system of equations has NO SOLUTION?y = x+5 & y = -x + 5 y = 3/2x+5 & y = 3/2x-2 x = 5 & y = -2 y = 8 & y = x+3 Simplify 5(2x + 3) - 2(x - 8) 8x+31 12x+1 12x-31 8x-1 Solve for x -2 -5/3 5x+9=2x+4 3/5 4 For which of the following values of m will the line whose equation isy=mx+3 pass through the point (8, 15)? m=8 m=4/3 m=2/5 m=3/2 Ellen is charged a flat monthly fee of $10 plus 2 dollars for every song she downloads. Which equation represents Ellen's bill each month? y=10x+2 y=10x y=2x y=2x+10 Which expression represents the phrase 3-7n 7n-3 "three less than seven times a number" 3(n-7) 7(n-3) Simplify (2x+3)-(5x-9) 3x-12 7x-6 -7x-6 -3x+12 Solve for h h=½Ab h=2Ab A=½bh h=A/b-½ h=(2A)/b Which of the following is a solution to -3x+7<-1 0 -5 -1 4 Solve for x -6 11 5(x-2)=2(3x-9) -2 8 Solve for x -2 9 3/2x +15 = 3 7 -8 Solve the following system of equations (4, 18) (1, 9) y=5x-2 y=3x+6 (3, -2) (-2, 7) What is the SOLUTION to the following quadratic equation?{-12, 4} {-5, 3} x ^{2}+4x-12=0{-12, 0} {-6, 2} Simplify -6x ^{4}y•-2x^{5}y^{4}-12x ^{9}y^{5}12x ^{20}y^{5}12x ^{9}y^{5}-12x ^{20}y^{4}Which of the following is equivalent to 4x ^{2}-12x+94x ^{2}-9(2x-3) ^{2}4x ^{2}-12x-94x ^{2}+9What are the ZEROS of the function graphed below?-8 4 -4 & 4 -4, 4, & -8 The class mean on the last Algebra test was 76. Mary's z-score on the test was -2.3 Which of the following could have been Mary's grade on the test? 70 76 80 100 0 2 -2 4 -4 6 -6 8 -8 10 -10 12 -12 The box-and-whisker plot below shows the ages of children at a party. What percentage of the children are older than 9? 25% 50% 75% 100% How many does the function below have?zeros0 1 2 3 |

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