L no Modyul nik sa What I Know Choose the letter of the correct answer. Write your answer on the blank. g Paksa - Yz- Y1 (x - 1) X - ? a b - - 1. In the equation Ax + By = C where A and B are not equal to zero is a linear equation in what form? C. standard form A. point- siope form B. slope-intercept form D. two-point form 2. Given two points (x1, y1) and (x2, y2) where x1 * x2, which of the following shall be used to determine the equation of the line? А. y-y1= c. y - y1 = m (x - X1) B. *+ D. y = mx + b 3. What is the slope of the line x+y=3? D. 3 A. - 3 C. 1 B. - 1 4. In the equation -3x+y =1, what is the y - intercept? A. - 3 B.- 1 C. 1 D. 3 5. What is the y-intercept of the line 2x + 3y = -157 A. - 5 B. - 2 C. -2/3 D. 3 6. Which of the following pair of points have a slope of -2? A. (2, 4) and (5,-2) C. (2,5) and (4,-2) B. (4, 2) and (-2,5) D. (-2, 2) and (4, 5) 7. What are the slope and y - intercept of the equation y = 2x - 4? A. m = 2 and b = 4 C. m = 2 and b =-4 B. m = 4 and b = 2 D. m = -4 and b = 2 8. The steepness of the line also commonly known as rise over run is called A. linear equation B. linear function C. linear inequality 9. Which formula is used in finding the slope if two points of a line is given? A. y-y: C. y - y1= m (X-X1) B. x + 2 b D. y=mx + b D. slope Yo-Y1 (x - 1) X-X1 10. Which of the following statements DOES NOT describe a slope? C. It is referred to as the rise over run. A. It can be found using a graph. B. It can be determined using a point. D. It describes the steepness of a line. 11. What is the slope of a line that has coordinates (5, 18) and (5, -12)? A. 0 B. 1 C. undefined D. negative 12. The vertical change between two points is called A. up B. run C. down D. rise 13. Determine the slope of the line 3x – 4y = 24. A. B. -3,4 c. 4-3 14. Sofia, a grade 8 student was tasked by her math teacher to find the slope of ine equation 6x - 14y= 11. After solving it on the board, she came up with ans is her answer correct? A. Yes, because the equation is written in standard form. B. Yes, because is definitely the slope of the given equation. C. No, because the answer should be m = 3/4 D. 43 =- D. No, because she didn't follow the correct process. 3 7
