In the coordinate plane, Line A has a slope of -1 and an x-intercept of 2.

In the coordinate plane, Line A has a slope of -1 and an x-intercept of 2. Line B has a slope of 5 and a y-intercept of -10. If the two lines intersect at the point (a,b), what is the sum a+b?

Quiz

Answer/Solution

2

Steps/Work

The equation of Line A is y = -x + 2
The equation of Line B is y = 5x - 10
5x - 10 = -x + 2
x = 2
y = 0
The point of intersection is (2,0) and then a+b = 2.
The answer is C.

General Calculator / Auto Solver

In the coordinate plane, line a has a slope of - and an x - intercept of . Line b has a slope of and a y - intercept of - . If the two lines intersect at the point ( a, b ), what is the sum a + b?

Calculated Answer

2

Step by Step Solution

In order to solve problem, you must evaluate (n3 - n2 - n0) / n1.

n0 =1
n1 =2
n2 =5
n3 =10