9th Mathematics Chapter8 Linear graphs and their application
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | If a line has a positive slope, how does it slant? | Upward to the right | Downward to the right | Upward to the left | Downward to the left | 2 | Which type of correlation is indicated by a negative slope in a scatter plot? | Positive correlation | Negative correlation | No correlation | Perfect correlation | 3 | What is the solution to the system of equations 2x – 3y = 5 and 4x – 6y = 10? | No solution | Infinite solutions | Unique solution | Two solutions | 4 | If the coordinates of a point are (a, b), what is the distance of the point from the origin? | a | b | √(a^2 + b^2) | a + b | 5 | What is the solution to the inequality 3x + 1 > 7? | x > 2 | x < 2 | x > 6 | x < 6 | 6 | In the equation y = mx + c, what does ‘m’ represent? | Slope | Y-intercept | X-intercept | Constant | 7 | What is the slope of a vertical line? | 0 | 1 | Undefined | Infinite | 8 | Which of the following is the slope-intercept form of the equation of a line? | Ax + By = C | y = mx + c | x = y + b | y = x + b | 9 | In the equation y = 2x – 1, what is the slope? | 2 | -2 | 1/2 | -1/2 | 10 | What is the solution to the system of equations y = 2x + 1 and y = -x + 3? | (1, 3) | (2, 5) | (-1, 2) | (0, 1) | 11 | If the equation of a line is given by y = -2x + 4, what is its y-intercept? | 2 | -2 | 4 | -4 | 12 | If two lines are parallel, what can be said about their slopes? | They are equal | They are perpendicular | They are negative reciprocals | They have opposite slopes |