Answer:
Step-by-step explanation:
The greatest common factor of 36 and 63 is 9.
Thus, =
since (36 ÷ 9 = 4) and (63 ÷ 9 = 7).
Fill in the blank to make the sentence correct.
1 answer:
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Answer:
d) one solution; (4, 1)
Step-by-step explanation:
It often works well to follow problem directions. A graph is attached, showing the one solution to be (4, 1).
_____
You know there will be one solution because the lines have different slopes. Each is in the form ...
y = mx + b
where m is the slope and b is the y-intercept.
The first line has slope -1 and y-intercept +5; the second line has slope 1 and y-intercept -3. The slope is the number of units of "rise" for each unit of "run", so it can be convenient to graph these by starting at the y-intercept and plotting points with those rise and run from the point you know.
