The number of women in the workforce, based on data and projections from 1940 to 2040, can be modeled by a linear equation y = mx + c. The number was 19.4 million in 1940 and is projected to be 91.6 million in 2020. Let xrepresent the number of years after 1940 and y be the number of women in the workforce in millions  (a)What is the slope?                                                                                           (b) Using the value of the slope, write the equation to the line.

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Q: Where is the number that represents slope in a linear equation?

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Q: what is the slope formula?

A:

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A:

Q: How do I find the slope of an equation?

A: The slope of the line passing through the point (a,b) and (c,d) is,

Q: what is the slope-intercept form of a linear equation

A: Slope intercept form of a linear equation

Q: How do you  graph a slope equation?

A: Given: Describe the process of draw the graph of the slope equation.

Q: Which equation does not represent a linear function? a. y=5 b. xy-4 C. y=-2/3x-2 d. 3x+4y=2x-8

A: Topic = Function Correct answer is xy =4

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.