adding
Subtraction
Multiplication
line b
Division
100

2+2

4

100

300-663

-363

100

50x12

600

100

In the equation y = 3x + 7

the y-intercept is 7, meaning the line crosses the y-axis at the point (0, 7).

100

4 ÷ 2

 2

200

1345+4567

5912

200

454-333

121

200

9x10

90

200

The "b"

 in the equation represents the y-intercept, which is the point where the line crosses the y-axis.

200

18÷2

9

300

47749+43334

91083

300

400-400

0

300

300x600

180000

300

 y = mx + b

The equation b is known as the slope-intercept form of a linear equation.

300

16÷2

8

400

899+1093

1992

400

5632-1356

4276

400

60x80

4800

400

y=.65(6)+7.50=3.9+7.50=

11.40

400

24÷2

12

500

512+332

844

500

674-906

-232

500

444x102

45288

500

4x-y+11=0

dy/dx=4

500

22÷2

11

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