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Lesson: 11.1 Systems of Linear Equations: ...
Question 1 of 10, Step 1 of 1
©/10
Correct
Solve the following system of linear equations by graphing:
--x + y = -7
4x + 4y = 20
Answer
Ке
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Graph the linear equations by writing the equations in slope-intercept form:
y =
Jx+
10
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find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

answer: what in the world is this

step-by-step explanation: