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Olin [163]
3 years ago
12

If you were asked to solve a system of linear equations using the substitution method, in what form would one or both of the equ

ations start as that would make the problem the simplest?
Select one:
A. point-slope form
B. standard form
C. slope-intercept form
D. point-intercept form
Mathematics
2 answers:
Leni [432]3 years ago
7 0

The correct answer is: slope-intercept form

Step-by-step explanation:

Step 1

Recall that the first step in solving a system of linear equations using the substitution method is to solve one of the equations for one of its variables.

Of all the forms listed, only the slope-intercept form of an equation automatically has one of its variables solved-for (point-intercept form is not a real form). This means that if one of the equations in a system is already in slope-intercept form, then the first step can be skipped in using the substitution method.

Step 2

Match your solution to the correct answer choice.

Answer choice C is the only answer choice that identifies the form of linear equation that is the simplest to start when using the substitution method. Select answer choice C and move on to the next question.

xxTIMURxx [149]3 years ago
3 0

Answer:

  A. point-slope form

Step-by-step explanation:

In general, the equation in point-slope form will give an expression that can substitute for "y", as that form is ...

  y = [something]

_____

In specific instances, the other forms of the linear equations may work, but that is not guaranteed.

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You are standing on a small fire tower 50 feet from a tree. You notice a squirrel in the tree. You measure the angle of depressi
irina [24]

Answer:

44.81 feet

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ACD

Find the length side AC (height of the small fire tower)

tan(52^o)=\frac{AC}{50} ---> by TOA (opposite side divided by the adjacent side)

Solve for AC

AC=tan(52^o){50}

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step 2

In the right triangle ABE

Find the length side AB

tan(21^o)=\frac{AB}{50} ---> by TOA (opposite side divided by the adjacent side)

solve for AB

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step 3

How many feet off the ground is the squirrel?

Subtract the length side segment AB from the length side segment AC

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2 years ago
HELP PLEASE THERE ARE TWO MORE.
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Answer:  y + x = ?

y - x = ?

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Step-by-step explanation: If 1 is correct tell me, if none are, i will edit :D

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