If a line has x-intercept 4 and y-intercept -2, what is its equation in standard form?
Show answer & explanation
Correct answer: A
Explanation
x-intercept = 4
y-intercept = −2
According to the formula:
x/a + y/b = 1
x/4 + y/(−2) = 1
x/4 − y/2 = 1
Multiply by 4:
x − 2y = 4