A(7x+3)=b+14x what is the value of a and b
1 answer:
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Solving the equations by graphing requires plotting the given functions.
y=x^2-3
x-y=1
thus the plot will be as shown in the picture. The solutions are:
(-2,-1) and (2,1)
y=x^2-3
x-y=1
thus the plot will be as shown in the picture. The solutions are:
(-2,-1) and (2,1)
Answer:
(x) =
Step-by-step explanation:
Let y = f(x) and rearrange making x the subject
y = 5 - 2x ( add 2x to both sides )
2x + y = 5 ( subtract y from both sides )
2x = 5 - y ( divide both sides by 2 )
x =
Change y back into terms of x
(x) =
Answer: <em>y = 3x + 2</em>
Step-by-step explanation:
<em>Let's choose two arbitrary points on the graph.</em>
<em>For example, let these be points with coordinates (1, 5) and (2, 8).</em>
<em>Substitute the coordinates of these points into the above formula and derive the equation of a straight line.</em>