Answer:
The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7
Step-by-step explanation:
The slope-intercept form of an equation is given by:
here m is the slope of the line and b is the y-intercept
Given
Putting m=2 in the general form
In order to find the y-intercept, the given point (-3,1) will be substituted in the equation
So
Putting the value of b
Hence,
The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7
<span>2019.118125
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The answer to your question is $30
Answer:
a = 3
b = -2
c = 5
Step-by-step explanation:
The general form of a quadratic equation is ax² + bx + c = 0.
3x² - 2x + 5 = 0
The value of a is 3.
The value of b is -2.
The value of c is 5.
Answer:
Step-by-step explanation:
The first plan has no initial fee. If the unknown is the number of miles driven, then the equation for the first plan is
C(x) = .7x
The second plan has a fee plus mileage, so with the unknown again being the number of miles driven, then the equation for the second plan is
C(x) = .6x + 75
If we are looking to solve for the number of miles when the cost is the same, we set the cost functions equal to each other and solve for x:
.7x = .6x + 75 and
.1x = 75 so
x = 750
This is really a very helpful thing to be able to figure out, because if you use the first plan and want to drive MORE than the 750 miles, you will be paying more than if you want to drive more than the 750 miles and choose the second plan. For miles less than 750 plan one is cheaper, for miles greater than 750 plan two is cheaper.
See, there really IS a reason for all this algebra!!
