Lesson T2.4.3
T2.4.3 Quadratic graphs Quiz: KS3 Maths, Unit 2
20 questions
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Lesson T2.4.3, Quadratic graphs: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 2: Algebra, written with Revision Ninja.
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The 20 questions
-
What is the shape of the graph y = x²?
- Cubic curve
- Parabola
- Circle
- Straight line
-
What is the value of y when x = -3 in y = x²?
- 3
- 9
- 6
- -9
-
What is the y-coordinate of the lowest point of the graph of y = x² + 1?
- 1
- 2
- 0
- -1
-
Where does the graph y = x² - 4 cross the x-axis?
- x = ±1
- x = ±4
- x = 0
- x = ±2
-
Where does the graph of y = x² - 4 cross the y-axis?
- (0, -4)
- (4, 0)
- (-4, 0)
- (0, 4)
-
What is the value of y = 2x² - 3 when x = 2?
- -1
- 11
- 5
- 8
-
What is the value of y = x² - 2x when x = 3?
- 1
- -3
- 5
- 3
-
Which line is the line of symmetry of y = x²?
- The x-axis (y = 0)
- The line x = 1
- The y-axis (x = 0)
- The line y = x
-
What is the peak position of the graph y = -x²?
- (1, 0)
- (0, -1)
- (0, 1)
- (0, 0)
-
For which x-values is y = x² - 5x equal to zero?
- x = 0 and x = 5
- x = 1 and x = 5
- x = 5 only
- x = 0 and x = -5
-
A ball is thrown so its height in metres is h = 20t - 5t² after t seconds. What is its height after 2 seconds?
- 30 m
- 40 m
- 10 m
- 20 m
-
Which point lies on the graph of y = x²?
- (4, -2)
- (-2, 4)
- (2, -4)
- (-2, -4)
-
Where is the lowest point of the graph of y = (x - 2)²?
- (0, -2)
- (0, 2)
- (-2, 0)
- (2, 0)
-
What is the value of y = x² + 2x - 3 when x = 1?
- 2
- -3
- 6
- 0
-
Which values of x satisfy x² = 9?
- x = 9 only
- x = 3 only
- x = 3 and x = -3
- x = -9 and x = 9
-
Where does the graph of y = x² - x - 2 cross the x-axis?
- x = 1 and x = -2
- x = -1 and x = -2
- x = -1 and x = 2
- x = 1 and x = 2
-
As x increases from 1 to 2, by how much does y = x² increase?
- 4
- 3
- 1
- 5
-
How many times does y = x² + 6x + 9 cross the x-axis?
- Twice
- Never
- Three times
- Once
-
Where do the graphs of y = x² and y = 4 meet?
- x = 4 and x = -4
- x = 2 and x = -2
- x = 2 only
- x = 4 only
-
How does the graph y = 3x² compare to y = x²?
- Flatter
- Steeper
- Shifted up
- Shifted down
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