X=-1 proper format name for linear equation

The proper format of x = -1 is a vertical line.

Step - By - Step Explanation:

• The definition of a linear equation is an algebraic expression in which each term has an exponent of one and the graphing of the equation results in a straight line.

• Linear equations are oftentimes written in the form:

y = mx + b

• Slope: Or the gradient of a line is a number that describes both the direction and the steepness of the line.

The slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between any two distinct points on a line. It is written in the form:m = rise (change in y) ÷ run (change in x) = (y2 - y1) ÷ (x2 - x1)m = slope(x1 , y1) = coordinates of the 1st point(x2 , y2) = coordinates of the 2nd point

• There are three major forms of linear equations:

Point - Slope FormStandard FormSlope - Intercept Form

• Point - Slope Form: It emphasizes the slope of the line and a point on the line (that is not the y - intercept). It is written in the form:

y - y₁ = m (x - x₁)y = y - coordinate of the 2nd pointy₁ = y - coordinate of the 1st pointm = slopex = x - coordinate of the 2nd pointx₁ = x - coordinate of the 1st point

• Standard Form: Is just another way of writing the equation of the line. It is written in the form:

Ax + By = CA = integerx = x - interceptB = integery = y - InterceptC = integer

• Slope - Intercept Form: Is a way of writing the equation of a line so that the slope of the line and the y - intercept are easily identifiable. It is written in the form:

y = mx + by = y - coordinatem = slopex = x - coordinateb = y - intercept

• The function x = -1 means that for all values of y, the value of x = -1. This is represented by a vertical line at x = -1.

• The slope of the line x = -1 is unknown. The slope doesn't exist because there is no y - value, and the x - value would be 0 and you can't divide by 0.

• Vertical Lines help determine if a relation is a function in math. The equation of a vertical line always takes the form x = k, where k is any number and k is also the x - intercept.

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