Straight-line graphs: y = mx + c

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Space race
What is the gradient of y…325

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Questions and answers

· 6 questionsShow answers
  1. 1. What is the gradient of y = 3x + 2?
    • Correct answer: 3
    • 2
    • 5
    • 3x
  2. 2. Where does y = 3x + 2 cross the y-axis?
    • Correct answer: (0, 2)
    • (2, 0)
    • (0, 3)
    • (3, 2)
  3. 3. Which line is parallel to y = 2x + 1?
    • Correct answer: y = 2x − 5
    • y = x + 2
    • y = −2x + 1
    • y = ½x + 1
  4. 4. What is the gradient of the line through (0, 0) and (2, 6)?
    • Correct answer: 3
    • 2
    • 6
    • 1/3
  5. 5. Which line has a negative gradient?
    • Correct answer: y = 5 − 2x
    • y = 2x − 5
    • y = x + 5
    • y = 5x
  6. 6. What is the equation of the horizontal line through (0, 4)?
    • Correct answer: y = 4
    • x = 4
    • y = 4x
    • y = x + 4

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