235k views
3 votes
Which is an equation of the line that has a

y-intercept of -2 and is parallel to the line whose
equation is 4y = 3x +7?

1 Answer

6 votes

Answer: 4y = 3x - 8.

Explanation:

From the equation of a line

y = mx + c, where m is the gradient and c is the y intercept.

From conditions for parallelism, for two lines to be parallel to each other, their gradients must be equal ie m1 = m2

Now since c = -2, the equation of the new line parallel to

4y = 3x + 7 will be, you should then find m1_from the given equation

Therefore, m1 = 3/4 and since the two line are parallel to each other , m2 = 3/4

Substitute for m2 in the new equation giving c = -2,

y = 3x/4 - 2

Multiply through by 4, the equation

4y = 3x - 8 which is the equation of the new line.

User Ohad Sadan
by
9.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories