Direction: Write the letter of the best answer on the space before each number. D. q C. m 15. Which line has a zero slope? A s B. z 16. What is the equation of the line if the slope is 1 and y-intercept is -8? A. y = x + 8 B. y = x - 8 C. y = - x + 8 D. y = - x - 8 17. Find the slope of the line 2y - 3 = 8x + 7 B. -4 C. 5 A. 4 D. - 5 18. What is the y-intercept of 3x - y = - 5! 5/3 B. 5 C. D. 19. Find the slope of y = 2/3 * x - 3/4 B. - 2/3 20. What is the linear equation that has a y- intercept of and a slope of 3? - 1/2 1. In which of the following statements describes Rectangular Coordinate System? A. It is used for naming points in a plane. B. It is a plane containing the coordinates and ordinates. C. It is used to determine the location of a point by using a single number. D. It is a two-dimensional plane which is divided by the axes into four regions called quadrants. 2. Who developed the Cartesian Coordinate Plane? A. Jean-Paul Sartre B. Rene Descartes D. Thomas Edison C. Voltaire 3. What is the point of intersection of the two axes? A. Base B. origin C. edge D. plane 4. Give the coordinates of the point 2 units to the left of y-axis and 7 units below the x-axis. A. (2,7) B. (7,2) C. (- 2, - 7) D. (- 7, - 2) 5. In what quadrant does the point (-5,-8) lies? A. QI C. QII D. QIV B. QIII 6. What is the abscissa in the ordered pair (4,5)? A. 4 B. 5 C. -4 D (-5) 7. Which of the following is an example of linear equation in two variables? A. x ^ 2 - 5 = 20 C. 8 = - 7y D. x + y < 5 B. x + y = 5 8. Which of the following is a solution for the equation 2x - y = 87 A. (2, - 4) B. (- 2, - 4) C. (2,4) D. (2,4) 9. What is the standard form fy =4x-7? A. 4x - y = - 7 B. 4x - y = 7 C. 4x + y = - 7 D. 4x + y = 7 10. What is the slope intercept form f * 3x - 5y = 6 ? A. y = - 1/2 * x + 3 B. D. y = - 3x + 1/2 21. Which of the following illustrates a system y = 1/2 * x - 3 of linear equations in two variables? A. 2x - y > 1; y = x ^ 2 + 1 Cx - y = 1; x + y = 7 B. 8y > x - 64; x - y = 6 x - 7 < y 22. Which of the following ordered pairs is the solution of the system x + y = 5 and | x + 2y = 7? A. (3,2) C. (4,1) B. (5,0) D. (- 6, 1) 23. Which system of linear equation has graphs that show parallel lines? A. Consistent C. Inconsistent D. Independent B. Dependent 24. How many solutions will a system have if the graph of the solution is coinciding lines? A. 1 B. None C. 2 D. infinitely many 25. Which system of equations is a graph that shows intersecting lines? A. - 2x - y = 1 Lx - y = 1 2x - y = 2 4x - 2y = 5 * x + y = 2 [ 2x + 2y = 4 x + y = 4 x + y = 2 A. y = - 3/5 * x + 6/5 B. y = 3/5 * x + 6/5 D. y = 3/5 * x - 6/5 11. What is the value of A in the standard form 6x + 7y =-8? A. 6 B. 7 C. 8 D. -8 For numbers 12-15, refer to the figure below 12. Which line has a positive slope? A. 2/3 - 5/3 y = 3x - 1/2 c. 3/4 0 * (- 3/4) A, 3 Cy = - 3/5 * x + 6/5 py = 5x - 1
Answer:
5/12 and 35/N
39/2 and N/4
27/N and 9/5
N/4 and 24/6
3/N and 24 5.6
N/52 and 180/120
18/N and 21/28
10/16 and N/56
1.4/1.05 and 4/N
7/N and 0.6/3
5/12 and 35/N
5/12 = 35/N
N = 35 * 12/5
N = 8.4
39/2 and N/4
39/2 = N/4
4 * 39 = 2 * N
156 = N
27/N and 9/5
27/N = 9/5
5 * 27 = 9 * N
135 = N
N/4 and 24/6
N/4 = 24/6
4 * 24 = 6 * N
96 = N
3/N and 24 5.6
3/N = 24 5.6
24 5.6 * 3 = N
73.68 = N
N/52 and 180/120
N/52 = 180/120
120 * 52 = 180 * N
6240 = 180 * N
34.66666666666666666666666666667 = N
18/N and 21/28
18/N = 21/28
28 * 18 = 21 * N
504 = 21 * N
24 = N
10/16 and N/56
10/16 = N/56
56 * 10 = 16 * N
560 = 16 * N
35 = N
Try again
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