1-2$ ONLY!1.
Find the corressponding points P’ and Q’.
y
P(-3,6)
Q(0,0)
x
R(3,-2)
Private Screen 1
OP(9, 6) Q'(0, 0)
OP'(-9, 6) Q’6, 0)
OP9, 6) Q'(0, 6)
P9, -3) Q'(6,0)
2. Identify the axis of symmetry.
f(x) = x2 + 10x + 9
O x = 10
O x = -5
x = -10
OX = 5
3.
Find the vertex for the parabola given below.
f(x) = 3×2 + 12x + 16
0 (4, 112)
0 (-2, 4)
0 (0, 16)
O (2, 52)
4.
Find the quadratic function that includes each set of values.
(1, 0), (2, 5), (4, 21)
You may use your TI-83 calculator.
f(x) = x^2 + 2x – 3
Of(x) = 2x^2 + x – 15
f(x) = x^2 – 1
Of(x) = x^2 + 1
5.
f(x) = -2×2 – 3x + 35
Is this parabola concave up or concave down?
O Concave up
O Concave down
6.
A projectile is fired straight upward from the ground with an initial speed of 96 feet per second,
then its height h after t seconds is given by the equation
h(t) = -16t2 + 96t
Find the maximum height of the projectile.
Put your answer in the form [XXXft].
7.
The cost in C dollars of manufacturing ‘x’ bicycles at Holliday’s Production Plant is given by the function
C(x) = 2×2 – 800x + 92,000.
Find the minimum cost.
Put your answer in the form ($XX,XXX].
8.
The vertex of
y = -3×2 – 6x – 9
8.
The vertex of
y = -3×2- 6x – 9
lies in which quadrant?
O IV
O Ο ΙΙΙ
ΟΙ
II
9.
Given f(x) = 1/3*(x-4)2 + 7.
Identify the vertex.
0 (4, -7)
O(-4,7)
O (-4,-7)
O (4,7)
10.
Write f(x) = -x2 – 2x + 3 in vertex form.
f(x) = (x + 1)^2 + 4
Of(x) = -(x + 1)^2 – 4
f(x) = -(x – 1)^2 + 4
f(x) = -(x + 1)^2 + 4
11.
Factor x2 – 13x + 42.
(x + 6)(x-7)
(x-6)(x – 7)
O (x + 6)(x + 7)
12.
Factor 6×2 +13x + 6.
(2x + 1)(3x +6)
(6x + 1)(x + 6)
O (2x + 6)(3x +1)
(2x + 3)(3x +2)
O (2x + 2)(3x +3)
13.
Factor completely 4×3 – 81x.
x(4x^2 – 81)
x(2x + 9)(2x – 9)
x(2x – 9)(2x – 9)
14.
Solve for x.
2x(x – 12) = -40
O {2, -10}
O {2, 10}
{-2, -10)
{-2, 10)
15.
Solve for x.
3×2 + 2x = 12 – 7x
O {1,4}
{1,-4)
{-1, 4)
O {-1, -4}

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