Write the letter of the correct answer on the space provided for.
______1. What is the slope of every horizontal line? (A. positive B. negative C. zero
D. undefined)
______2. If the coordinates of a point is (-4, 8), which is the y-coordinate?
(A. -4 B. 8 C. 4 D. -8)
______3. Given the equation y = 5x – 6, what is the slope of the line? (A. m = 5 B. m = -5 C. m = 6 D. m = -6)
______4. In the slope-intercept form of a line y = mx + b, what does “b” represent? (A. slope
B. y-intercept C. x-intercept D. base)
______5. If the equation of a line is y = -2x + 7, what is its y-intercept?
(A. 2 B. -2 C. 7 D. -7)
______6. What is the slope of a line with an equation of -4x + y = -9 ?
{A. m = 4 B. m = -4 C. m = 9 D. m = -9}
______7. A line passes through points (5, 3) and (7, 2). What is its slope?
{A. m = 2 B. m = -2 C. m = 1 2 D. m = - 1 2}
______8. Find the slope of a line passing through points (4, 4) and (6, 10).
{A. m = 2 B. m = 3 C. m = 4 D. m = 5}
______9. If the equation of a line is y = -9x + 5, how do you describe its slope? {A. uphill
B. downhill C. horizontal D. vertical}
______10. What is the slope-intercept form of the line x + y = 5 ?
{A. y = -x + 5 B. y = x + 5 C. -y = -x + 5
D. -y = x + 5}
______11. What is the standard (general) form of the equation of a line? {A. Ax + By = C
B. Ax + By + C C. y = mx + b D. = 2−1 2−1} ______12. Which of the following equations is NOT in the slope-intercept form?
{A. y = -2x + 6 B. x – 8 = y C. x + 5y = 10
D. y = 7x + 3}
______13. What is the slope-intercept form of the line -6x + 2y = 18? {A. y = 6x + 18
B. 2y = 6x + 18 C. y = -3x + 9 D. y = 3x + 9}
______14. What is the standard form of the equation y = -5x + 10 ? {A. 5x + y = 10
B. -5x + y = 10 C. 5x - y = 10 D. 5x + y = -10}
______15. Which among the following graphs has a positive slope?​