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Quadratic Graphs
Test Description: Recognising the features of quadratic graphs.
Instructions: Answer all questions to get your test result.
1) In standard form, a _______ function is written as y = ax² + bx + c
A
cubic
B
linear
C
quadratic
D
absolute value
2) What is the general shape of parabolas?
A
U-shape
B
straight line
C
circle
D
s-shape
3) Given y = 2x², the equation for the line of symmetry for this graph is
A
x = - 2
B
y = 2
C
y = 0
D
x = 0
4) Given y = ax², what is the shape of the graph when
A
A V-shaped curve
B
An inverted u-shaped curve
C
A U-shaped curve
D
An inverted V-shaped curve
5) Which of the following is True of y = x²?
A
It has a maximum turning point.
B
It has a minimum turning point.
C
It has an inflexion point.
D
It has no turning point.
6) Given y = 3x², what will happen to the graph when the coefficient of x² becomes 1?
A
The graph will open outward.
B
The graph will shift downward.
C
The graph will shift upward.
D
The graph will squeeze inward or narrower.
7) Given y = 2(x-1)² +1, what is kind of graph is this?
A
parametric graph
B
polar graph
C
linear graph
D
parabolic graph
8) Given y = 2(x-1)² +1, the equation for its line of symmetry is
A
y= - 1
B
x = 1
C
y = 1
D
x = - 1
9) Given y = 2(x + 4)² -1, the coordinates of the turning point are
A
( 1, 4)
B
( - 4, - 1)
C
( 4, 1)
D
( -1, - 4)
10) This curve, y=x² - 5x + 7, has what kind of roots?
A
three roots
B
two roots
C
imaginary roots
D
equal roots
*select an answer for all questions
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