A y = 1/2x + 5 B y = 1/2x + 7 c y = 2x + 5 D y = y = 2x + 7
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Answer:
[tex]\huge \boxed{{y=2x+5}}[/tex]
Step-by-step explanation:
y = mx + b (slope-intercept form of a line)
m is slope
b is y-intercept
The y-intercept of the line is (0, 5) or 5.
y = mx + 5
The slope of the line can be found through rise over run.
(1, 7) and (2, 9) are two points on the line.
m = (y2-y1)/(x2-x1)
m = (9 - 7)/(2 - 1)
m = 2/1 = 2
The slope of the line is 2.
y = 2x + 5
Answer: Hi! The equation for this line would be c), y = 2x + 5.
Step-by-step explanation:
Slope - intercept form: y = mx + b, where m is the slope and b is the y - intercept.
First, we should determine the y - intercept. We can observe using the graph that the line intercepts the y - axis at point (0, 5), so we take the y - coordinate (5) and insert it into our equation.
y = mx + 5
This automatically rules out options d) and b).
Next, we find the slope. The formula for finding the slope is (y2 - y1) ÷ (x2 - x1).
We need to choose two coordinates before we can calculate the slope.
Let's use (1, 7) and (0,5).
We will not insert the values into or slope formula:
(7 - 5) ÷ (1 - 0)
When we solve this, the quotient is 2.
This is our slope, and we can insert the value into our slope equation - -
y = 2x + 5
This rules out option a). So, your answer is option c), y = 2x + 5.
Hope this helps!