Finding the Equation of a Line Given a Slope and a Point and Writing Equations from Word Problems

The line with the slope -6 that goes through (-1,-7)

The line with the slope -8 that goes through (-1,-5)

A developer prices condominiums in Florida at 20,000 plus $40 per square foot of living area. Express the cost C as a function of the number of square feet of living area s.

The threshold weight for an individual is the weight beyond which the risk of death increases significantly. For middle-aged males the function W(h)=0.000534h(to the third) express the threshold weight in pounds as a function of the height h in inches. Find W(70). Find the threshold weight for a 6'2" middle-aged male.
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The Equation of Lines are found Given Slopes and Points. Writing Equations from Word Problems is investigated. The solution is detailed and well presented.

... Section Page Problem Your Solution Final # # # Answer 1 7.1 610 12 Find the slope and y ... 2 7.1 610 16. Write the equation of the line with given slope and ...

...Find the equation of the line that is perpendicular to the line given... Solution: Slope = 2 The equation of the line that is parallel to the line is given...

...find the slope and y = mx+b to find the line... Using Excel, graph the line below on the row corresponding to ... Step one will be to change the given equation into a ...

...line which show monthly cost in dollars and a horizontal line which shows ...Find the values of x and y that solve the following system of equations 7x+3y ...

... A(-3, 1), B(0, 3), C(2, 0), D(-1, -2). y − yB 1− 3 2 Now we find the slopes of AB: m AB = A = = x A − y ...Write the equation of the line passing through ...

... (2,-6);2x+3y=7 the equation of the line is y ... 2x ⇔ y = − x⇔ y =− x+ 33 3 3 Using the same method as we have done previously, we will find our equation...

...Find the Slope of each line segment on the graph, and interpret your ... Section 3.3 #10 Write an equation. ... The two points on the line are (0, -2) and (4, 1). y ...

... Now the equation of the line passing through the points (4, -3) and (-2, 6) is given by,. ... Multiplying equation (1) by 3, we get,. ...Find and interpret f(10). ...

... 12 Find the slope of the line that passes ...Find the numbers ... Let the two unknowns be x and y such that x>y Then, the two equations are : x+y=2 x - y = 26 Solving ...