Answer that goes in the box on the left: 2
Answer that goes in the box on the right: 4
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The slope is 2 since each time x increases by 1, y increases by 2. Or put another way, each time we go up 2 units, we move to the right 1 unit.
So that's why 2 goes in the box on the left.
You can use the slope formula m = (y2-y1)/(x2-x1) to get the same result
The line goes through 4 on the y axis, so this is the y intercept and the value you type into the second box (box on the right).
Recall that y = mx+b is the general slope intercept form
m = slope = 2 = 2/1
b = y intercept = 4
The equation y = mx+b turns into y = 2x+4. This is known as a linear equation as it produces a straight line graph.
