Mathematics Middle School

If h(x) = x2-5x + 7
find: h(-5)

Answers

Answer 1

Answer:

h(-5)=22

Step-by-step explanation:

Replace x with -5.

[tex]h(-5) = (-5)2-5(-5) + 7[/tex]

Simplify.

[tex]h(-5)=-10+25+7[/tex]

Simplify.

[tex]h(-5)=22[/tex]

Answer 2
It is −3)=57. Explanation: Hence h(x)=5x2−4x then just replace x for −3. h(−3)=5⋅(−3)2−4⋅(−3)⇒h(−3)=45+12⇒h(−3)=57

Related Questions

Figure ABCD has verticies A(-4, 1) B(2, 1) C(2, -5) D(-4-3). What was the area of Figure ABCD.

Answers

area: 18 units^2

Step-by-step explanation:

the shape is a quadrilateral, with one slanted side, so I separated the shape into a rectangle and triangle, and and calculated their area respectively, then added the products up. please correct me if I'm wrong. hope this helped. :)

It’s 18 units^2 hopefully this helps you

A circle is cut from a square piece of cloth, as shown:

A square, one side labeled as 42 inches has a circle inside it. The circle touches all the sides of the square. The portion of the square outside the circle is shaded.

How many square inches of cloth are cut from the square? (π = 3.14)

131.88 in2
168.00 in2
1,384.74 in2
1,764.00 in2

Answers

Answer:

A

Step-by-step explanation:

I think you are supposed to do is 42x3.14=131.88 so the answer is 131.88

hope this helps :)

Answer:

Step-by-step explanation:

Given the choices of answers we have to consider that:

The cloth is cut from the square = Area of circle

Area of circle = π r² = 3.14 * 21² = 1,384.74 in²

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