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Rudiy27
3 years ago
15

Which statement is true? Question 6 options: A) |–3| = 3 and –|–4| = –4 B) –|3| = 3 and |4| = 4 C) |–3| = 3 and –|4| = 4 D) |–3|

= 3 and |–4| = –4
Mathematics
1 answer:
stellarik [79]3 years ago
4 0
It’s it’s it’s it’s it’s a
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It answers is b 0.5 candy
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What is the value of the constant in the expression?<br> 2x2 + 3x - y - 18 + 7y2
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I think it’s 3x

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4 years ago
Find the measures of the interior angles of the triangle.
jeka94

Answer:

∠A = 30°

∠B = 60°

∠C= 90°

Step-by-step explanation:

This is a right triangle, you can see it mainly by the red square in C, and it is always used to mark 90 degrees.

Knowing that, you now know <em>∠C is 90°</em>

Now, to find ∠B, you should use the following equation:

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This means that the sum of the three angles of a triangle gives 180. ALWAYS. So to find the missing angle, ∠B, do the following:

Fill the values of the equation with the angles you now know:

  • 30° + B + 90° = 180

Solve the equation, passing the 30° and 90° to the other side of the equal sing with Inverse Operation:

  • B = 180° - 30° - 90°

<em>B = 60</em>

<em>Hope it helps!!</em>

3 0
3 years ago
This graph represents a quadratic function. What is the function’s equation written in factored form and in vertex form?
AnnZ [28]

Answer:

\textsf{Factored form}: \quad f(x)=2x(x-4)

\textsf{Vertex form}: \quad f(x)=2(x-2)^2-8

Step-by-step explanation:

<u>Factored form of a quadratic function</u>

f(x)=a(x-p)(x-q)

where:

  • p and q are the x-intercepts
  • a is some constant

Given x-intercepts:

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Therefore:

\implies f(x)=a(x-0)(x-4)

\implies f(x)=ax(x-4)

To find a, substitute the given vertex (2, -8) into the equation and solve for a:

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\implies -4a=-8

\implies a=2

Therefore, the function's equation in factored form is:

f(x)=2x(x-4)

<u>Vertex form of a quadratic equation</u>

<u />f(x)=a(x-h)^2+k

where:

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Given:

  • vertex = (2, -8)

Therefore:

\implies f(x)=a(x-2)^2-8

To find the constant a, substitute one of the x-intercepts into the equation and solve for a:

\implies a(0-2)^2-8=0

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Please help !<br><br> choose the definition for the function.
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Answer:

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Step-by-step explanation:

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