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N(A)-Level Mathematics Functions and Graphs quiz (SEAB 4045) quiz

15questions. Pick an answer and you'll see why right away.

  1. What is the gradient of the line y=5xβˆ’2y = 5x - 2?

  2. What is the yy-intercept of the line y=βˆ’3x+7y = -3x + 7?

  3. Find the gradient of the line through (1,3)(1, 3) and (5,11)(5, 11).

  4. A line has gradient 33 and passes through (0,βˆ’1)(0, -1). What is its equation?

  5. Which way does the parabola y=2x2βˆ’3x+1y = 2x^2 - 3x + 1 open?

  6. What is the yy-intercept of y=x2+4xβˆ’5y = x^2 + 4x - 5?

  7. Find the xx-intercepts of y=x2βˆ’9y = x^2 - 9.

  8. The xx-intercepts of a parabola are at x=1x = 1 and x=5x = 5. On which line does its turning point lie?

  9. On a distance-time graph, what does a horizontal (flat) line represent?

  10. On a distance-time graph, what does a steeper upward line mean compared with a gentler one?

  11. A runner covers 66 km in 3030 minutes. What is the speed in km/h?

  12. A journey is 4040 km in 0.50.5 h, then a rest of 0.50.5 h, then 4040 km in 11 h. What is the average speed for the whole journey?

  13. Which point lies on the line y=2x+3y = 2x + 3?

  14. A line is parallel to y=4xβˆ’1y = 4x - 1. What is its gradient?

  15. The graph of y=ax2+bx+cy = ax^2 + bx + c opens downward. What can you say about aa?