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Example Question #571 : Algebra
Refer to the above diagram. Which line is parallel to the line of the equation ?
Possible Answers:
Correct answer:
Explanation:
Rewrite the equation of the parallel line in slope-intercept form as follows:
The slope of the line is the coefficient of , which is
. The slope of a line parallel to this is also
.
The slope of a line is its ratio of rise to run. The slopes of the four lines in the diagram are given below, with their justification shown.
Of the four lines, the line marked also has slope
.
Example Question #572 : Algebra
Solve for :
Possible Answers:
Correct answer:
Explanation:
To get by itself, you must first get rid of the constant.
To undo the positive , you must subtract it from both sides leaving us with,
.
Then you must multiple both sides by and that means,
.
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