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VladimirAG [237]
3 years ago
12

"what does it mean to evaluate an algebraic expression"

Mathematics
1 answer:
natka813 [3]3 years ago
3 0
It means "carry out the arithmetic indicated by the symbols, using the Order of Operations as a guide to the sequence in which you do the arithmetic operations."

For example,
"Evaluate the expression 1+2" means "add 1 and 2 and report the result."
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Write an expression that is equivalent to the following x + x + x + - 20
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5 0
3 years ago
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Help help math math math math math
chubhunter [2.5K]
<h3>Answer:      y - 4 = -2(x - 5)</h3>

==================================================

Explanation:

Point slope form is

y - y1 = m(x - x1)

where m is the slope and (x1,y1) is the point the line goes through.

Parallel lines have equal slopes but different y intercepts. The given equation y = -2x-3 has a slope of -2, meaning that m = -2 is also the slope of the mystery parallel line.

-2 will go in the second box that's just to the left of the parenthesis.

The coordinates of (5, 4) will go in the other remaining boxes to finish off the equation.

We go from this

y - y1 = m(x - x1)

to this

y - 4 = -2(x - 5)

5 0
3 years ago
What is the slope of the line that passes through the points (-2,7) and (2,-5) in simplest form ?
creativ13 [48]

Its m=\dfrac{\Delta y}{\Delta x}=\dfrac{7-(-5)}{-2-2}=\dfrac{12}{-4}=\boxed{-3}.

Hope this helps.

6 0
3 years ago
Please answer this question
stira [4]

Graph 1: Domain = 2 <= x < 12  

Graph 1: Range = {2,4}

Graph 2: Domain = 3 <= x <= 10  

Graph 2: Range = -6 <= y <= 4

Graph 3: Domain = 4 < x < 11  

Graph 4: Range = -6 <= y < 2

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