Wich equation representa the line shown on the graph?
2 answers:
Answer:
y = 2x
Step-by-step explanation:
The equation of a line passing through the origin is of the form
y = mx ( m is the slope of the line )
To calculate m use the slope formula
m = (y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (1, 2) ← 2 points on the line
m = =
= 2
y = 2x ← equation of line
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Answer:
and
Step-by-step explanation:
Given:
Equation 1:
Simplifying the above equation by dividing both sides by 100
Equation 2:
Simplifying the above equation by dividing both sides by 400.
Now the system of equation is:
(1a)
(2a)
Solving by elimination
Multiplying equation (2a) with
(2b)
Adding equations (1a) and (2b) in order to eliminate
+
We get
∴
Plugging in equation (2a).
Adding both sides.
∴
Step-by-step explanation:
hope this will help you.
