The Graph Of A Quadratic Function (Day 1) Examples And Worksheet - Algebra Unit 11-Graphing Quadratics Page 7
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15Ex4: Given the following three functions, which one has the least minimum?
y = x + 4x + 4
f(x) = x + 2x - 24
2
Ex5: The equation of the axis of symmetry of the graph of
is
3
3
3
3
(1)
x
(2)
y
(3)
x
(4)
y
4
4
2
2
2
Ex6: The roots of the equation
3
x
27
x
0
are
(1) 0 and 9
(3) 0 and -9
(2) 0 and 3
(4) 0 and -3
Ex7: What are the vertex and axis of symmetry of the parabola shown in the graph below?
(1) Vertex (1, 6); axis of symmetry: y = 1
(2) Vertex (1, 6); axis of symmetry: x = 1
(3) Vertex (6, 1); axis of symmetry: y = 1
(4) Vertex (6, 1); axis of symmetry: x = 1
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