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3 years ago

Simplify the following expression. -11x^2+10x-9x^2+6

Mathematics

1 answer:

lesantik [10]3 years ago

7 0

-11x^2+10-9x^2+6
Combining like terms:
(-11x^2 + -9x^2) + (10x) +(6)

You’ll get:

= -20x^2 + 10x+6

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These following ordered pairs are on the graph:

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An ordered pair (x, f(x)) will be on the graph if replacing them into the equation, we get an equivalence.

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The equation is:

$f(x) = x^2 - 1$

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(0,1)

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(0,1)

Here, we test $x = 1, f(x) = 0$

Replacing into the equation:

$0 = 1^2 - 1$

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True, so on the graph.

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(3,5)

Here, we test $x = 3, f(x) = 5$

Replacing into the equation:

$5 = 3^2 - 1$

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False, so not on the graph.

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(5,24)

Here, we test $x = 5, f(x) = 24$

Replacing into the equation:

$24 = 5^2 - 1$

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True, so on the graph.

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Here, we test $x = -2, f(x) = 3$

Replacing into the equation:

$3 = (-2)^2 - 1$

$3 = 3$

True, so on the graph.

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Here, we test $x = -4, f(x) = -17$

Replacing into the equation:

$-17 = (-4)^2 - 1$

$-17 = 15$

False, so not on the graph.

A similar question is given at brainly.com/question/2102317

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