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Why does the letter b stand for y-intercept?
B stands for y-intercept because due to the fact that in math terms... a, b, and c are usually used for constants while x, y, and z are variables, and m, n, and p are parameters. :)
What is proportional relationship in math terms?
Two variables are proportional to one another if there is a simple relationship, of the following form:The variables X and Y are indirect proportion if Y = c*Xandinverse proportion if Y = d/X or, equivalently, X*Y = dfor some non-zero constants c and d, called the constants of proportionality.Note that if Y is inversely proportional to X, then Y is directly proportional to the variable 1/XThe graph of a direct proportion is a straight line through the origin, with slope = constant of proportionality.
If you add two linear equations will you always get a linear equation?
One linear equation: Ax + By = C (A, B, and C are constants) Another linear equation: Dx + Ey = F (D, E, and F are constants) Their sum: (A+D)x + (B+E)y = (C + F) The coefficients (A+D), (B+E), and (C+F) are still constants, so the sum is still a linear equation.
What is the relationship between a math term and a math expression?
A math expression is a collection of math terms
What is a linear function?
A function of the form f(x) = mx + c where m and c are constants is linear.
