11 months ago

Truer or false? subtracting 7 from the parent linear function results in a reflection in the x-axis

Mathematics

1 answer:

beks73 [17]11 months ago

6 0

The parent linear function is y = x

A reflection in the x-axis is denoted by - f(x), so the answer is false

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What is the answer to this math equation(x+5)(x²-3x)

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Answer:

$x=-5\\x=0\\x=3$

Step-by-step explanation:

I assume your equation to solve is

$(x+5)(x^2-3x)=0$

When we have a product of two factors equal to zero,

$A\cdot B = 0$

The solution is either A = 0 or B = 0.

In this case, this means that we can break the equation into two equations:

$x+5=0\\x^2-3x=0$

Solving the first one, we get:

$x+5=0 \rightarrow x = -5$

For the second one, we rewrite it as:

$x^2-3x=0\\x(x-3)=0$

And we see that this equation has two solutions:

$x=0\\x=3$

Therefore, the three solutions are:

$x=-5\\x=0\\x=3$

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