Write an equation in slope-intercept form that passes through the point (3,7) and has a y-intercept of 4.

y = x + 4

Step-by-step explanation:

Slope Formula:

Slope-Intercept Form: y = mx + b

Step 1: Define variables and points

b = 4

Random point (3, 7)

Step 2: Find slope

m = (7 - 4)/(3 - 0)

m = 3/3

m = 1

y = x + b

Step 3: Rewrite linear equation

y = x + 4

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870