PLEASE HELP ASAP!! CORRECT ANSWER ONLY PLEASE!!
1 answer:
y= mx + b
1) line 1.
b= 1, m=1/7, y= 2/7x +1
Colored under this line, and line is solid, so y≤ 2/7x +1.
We can modify it
7* y≤ 7*(2/7x +1), ---> 7y≤ 2x +7 or 7y-7≤2x
We have this inequality in A. and D.
2) line 2. Lets take dotted line.
y = mx + b
b= -5, m = 8/2 = 4
y = 4x -5
Colored over this line, so it is y > 4x -5. or y+5>4x
y+5>4x Between A and D we have this inequality in D.
So, we can check D.
Answer is D, if we look at the graph.
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<h2>Answer:</h2>
We can solve this system by elimination to solve for y by multiplying the top equation by 4 and the bottom one by -5.
Now, with what we got for y, we plug it back into one of the original equations. I chose the top one.
Now we have the solution of this system
The solution is <em>A. (-1, -3)</em>.