 for Learning Math and Coding                                                         Piano  Grid: Tics Lines: Width px Hash Lines: Width px Labels: Font px Trace Lines: Robot 1: Width px Robot 2: Width px Robot 3: Width px Robot 4: Width px
 Labels: x-axis y-axis Show Grid Grid: 12x12 inches 24x24 inches 36x36 inches 72x72 inches 96x96 inches 192x192 inches Quad: 4 Quadrants 1 Quadrant 1&4 Quadrants Units: US Customary Metric
 Background: #### Robot 1 0
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M
L
 Initial Position: ( in, in) Initial Angle: deg Current Position: (-5 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 2 0
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L
 Initial Position: ( in, in) Initial Angle: deg Current Position: (6 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 3 0
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M
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 Initial Position: ( in, in) Initial Angle: deg Current Position: (12 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 4 0
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L
 Initial Position: ( in, in) Initial Angle: deg Current Position: (18 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in
Find the Proportionality Constant of a Linear Equation
```/* Code generated by RoboBlockly v2.0 */
double y;
double x;
double variable;
double trackwidth = 3.69;

// Sample answer for points (0, 0) and (6, 6):
y = 1 * x;
// The slope of the line is 1:
robot.traceOff();
robot.drivexyTo(-5, 1 * -5, radius, trackwidth);
robot.traceOn();
for(x = -5; x <= 10; x++) {
y = 1 * x;
robot.traceColor("#00FFFF", 4); 