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

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

#### Robot 2

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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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L
 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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M
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
Graph a Linear Equation
```/* Code generated by RoboBlockly v2.0 */
double m;
double b;
double xi;
double xf;
double y;
double x;
double variable;
double radius = 1.75;
double trackwidth = 3.69;

printf("The program will graph a linear equation in the form y = mx + b. Enter values for the slope(m), y-intercept(b), starting x-value(xi), and ending x-value(xf).");
printf("Enter the slope:"+"\n");
scanf("%lf", &m);
printf("Enter the y-intercept:"+"\n");
scanf("%lf", &b);
printf("Enter the starting x-value:"+"\n");
scanf("%lf", &xi);
printf("Enter the ending x-value:"+"\n");
scanf("%lf", &xf);
y = m * x + b;
robot.traceOff();
robot.drivexyTo(xi, m * xi + b, radius, trackwidth);
robot.traceOn();
double x_inc = 1;
if (xi > xf) {
x_inc = -x_inc;
}
x = xi;
while(x_inc >= 0 ? x <= xf : x >= xf) {
y = m * x + b;
robot.traceColor("#00FFFF", 4);
robot.drivexyTo(x, y, radius, trackwidth);
variable = variable + 1;
x += x_inc;
}
```
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Problem Statement:
Run the program and enter values for the slope, y-intercept, and starting and ending x-values for the linear equation. Observe how changing the slope and y-intercept change the graph. Graph a line that passes through the points (6, -6) and (-6, 12) from x = -12 to x = 10.

Time