11x1 t11 08 quadratic identities
TRANSCRIPT
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Quadratic Identities
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b1 2c c
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b1 2c c
e.g. Find , and if;A B C 222 7 4 2 2x x A x B x C
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b1 2c c
e.g. Find , and if;A B C 222 7 4 2 2x x A x B x C
2 4 4 2A x x B x C
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b1 2c c
e.g. Find , and if;A B C 222 7 4 2 2x x A x B x C
2 4 4 2A x x B x C 2 4 4 2Ax Ax A Bx B C
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Quadratic Identities2 2
1 1 1 2 2 2If a x b x c a x b x c for more than 2 values of , then;x
1 2a a
1 2b b1 2c c
e.g. Find , and if;A B C 222 7 4 2 2x x A x B x C
2 4 4 2A x x B x C 2 4 4 2Ax Ax A Bx B C
2 4 4 2Ax A B x A B C
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2A
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2A 4 7A B
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2A 4 7A B 8 7B
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2A 4 7A B 8 7B
15B
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2A 4 7A B 8 7B
15B
4 2 4A B C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
2 113 9
A BA B
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
2 113 9
A BA B
2A
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
2 113 9
A BA B
2A 15B
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
2 113 9
A BA B
2A 15B 2, 15, 18A B C
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2A 4 7A B 8 7B
15B
4 2 4A B C 8 30 4C
18C
2, 15, 18A B C
OR 222 7 4 2 2x x A x B x C
2x
22 2 7 2 4 C 18C
0x 4 4 2A B C
4 2 222 11A BA B
1x 2 7 4 9 3A B C 9 3 273 9A BA B
2 113 9
A BA B
2A 15B 2, 15, 18A B C
Exercise 8I; 1, 4, 5b, 8b, 9bc