6/8/14 10:49 AM
Name _____________________________
Date ___________________
Quadratic Equations
(Answer ID # 0619455)
Graph each equation.
1. y = -x2 + 12x - 36
2. y = -x2 - 2x + 3
3. y = x2 - 8x + 18
4. y = -5x2 + 20x - 24
5. y = x2 + 10x + 25
6. y = -x2 + 6x - 10
http://www.edhelperblog.com/cgi-bin/alg.cgi
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6/8/14 10:49 AM
Name _____________________________
Date ___________________
Quadratic Equations
(Answer ID # 0365081)
Graph each equation.
1. y = -x2 + 12x - 36
Parabola with vertex at (6,
0).
Sample points on graph: (-6,
-144), (-5, -121), (-4, -100),
(-3, -81), (-2, -64), (-1, -49), (0,
-36), (1, -25), (2, -16), (3, -9),
(4, -4), (5, -1), (6, 0)
4. y = -5x2 + 20x - 24
http://www.edhelperblog.com/cgi-bin/alg.cgi
2. y = -x2 - 2x + 3
Parabola with vertex at (-1,
4).
Sample points on graph: (-6,
-21), (-5, -12), (-4, -5), (-3, 0),
(-2, 3), (-1, 4), (0, 3), (1, 0), (2,
-5), (3, -12), (4, -21), (5, -32),
(6, -45)
5. y = x2 + 10x + 25
3. y = x2 - 8x + 18
Parabola with vertex at (4,
2).
Sample points on graph: (-6,
102), (-5, 83), (-4, 66), (-3, 51),
(-2, 38), (-1, 27), (0, 18), (1,
11), (2, 6), (3, 3), (4, 2), (5, 3),
(6, 6)
6. y = -x2 + 6x - 10
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6/8/14 10:49 AM
Parabola with vertex at (2,
-4).
Sample points on graph: (-6,
-324), (-5, -249), (-4, -184),
(-3, -129), (-2, -84), (-1, -49),
(0, -24), (1, -9), (2, -4), (3, -9),
(4, -24), (5, -49), (6, -84)
http://www.edhelperblog.com/cgi-bin/alg.cgi
Parabola with vertex at (-5,
0).
Sample points on graph: (-6,
8), (-5, 0), (-4, 8), (-3, 32), (-2,
72), (-1, 128), (0, 200), (1,
288), (2, 392), (3, 512), (4,
648), (5, 800), (6, 968)
Parabola with vertex at (3,
-1).
Sample points on graph: (-6,
-82), (-5, -65), (-4, -50), (-3,
-37), (-2, -26), (-1, -17), (0,
-10), (1, -5), (2, -2), (3, -1), (4,
-2), (5, -5), (6, -10)
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