 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Slope-Intercept Form Point-Slope.

Presentation on theme: "2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Slope-Intercept Form Point-Slope."— Presentation transcript:

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Slope-Intercept Form Point-Slope Form Standard Form Linear Models And Best Fit Lines Writing Equations w/Two Points

Write an equation of the line in slope-intercept form. The slope is -5; the y-intercept is 7.

WHAT IS y = -5x + 7? Write an equation of the line in slope-intercept form. The slope is -5; the y-intercept is 7.

Write an equation of the line in slope-intercept form. The slope is 10; the y-intercept is -3.

WHAT IS y = 10x - 3? Write an equation of the line in slope-intercept form. The slope is 10; the y-intercept is -3.

Write an equation of the line in slope-intercept form. The slope is -1/2; the y-intercept is -9.

WHAT IS y = -1/2x - 9? Write an equation of the line in slope-intercept form. The slope is -1/2; the y-intercept is -9.

Write an equation in slope-intercept form of the line that passes through the given points. (-2, -1) (3, 5)

WHAT IS ? Write an equation in slope-intercept form of the line that passes through the given points. (-2, -1) (3, 5)

Write an equation of the line that is PARALLEL to the given line and goes through the given point. Write the final equation in slope-intercept form. y = -3x + 4, (4, 2)

WHAT IS y = -3x + 14? Write an equation of the line that is PARALLEL to the given line and has the given slope. Write the final equation in slope-intercept form. y = -3x + 4, (4, 2) Y - 2 = -3(x - 4) Y - 2 = -3x + 12 + 2

Write an equation of the line.

WHAT IS y = x + 1?

Write an equation of the line.

WHAT IS y -4 = 3/2(x – 4) or y - 1= 3/2(x - 2)?

Write an equation in point-slope form of the line that passes through the given points. (-2, 0) (0, 8)

WHAT IS y - 0 = 4(x + 2)? Write an equation in point-slope form of the line that passes through the given points. (-2, 0) (0, 8)

Write an equation in point-slope form of the line that passes through the given points. (-3, -4) (3, 4)

WHAT IS y + 4 = 4/3(x + 3)? Write an equation in point-slope form of the line that passes through the given points. (-3, -4) (3, 4)

Write an equation in point-slope form of the line that passes through the given points. (-5, -4) (7, -5)

Write an equation in point-slope form of the line that passes through the given points. (-5, -4) (7, -5) WHAT IS y + 4= -1/12(x + 5)?

Write an equation in standard form of the line with integer coefficients. 5x – y + 6 = 0

WHAT IS 5x – y = -6? Write an equation in standard form of the line with integer coefficients. 5x – y + 6 = 0 5x - y = -6

Write an equation in standard form of the line with integer coefficients. y = -3x + 9

WHAT IS 3x + y = 9? Write an equation in standard form of the line with integer coefficients. y = -3x + 9 +3x 3x + y = 9

Write the equations in standard form of the horizontal and vertical lines.

WHAT IS x = 3 and y = 3?

Write the equations in standard form of the horizontal and vertical lines.

WHAT IS x = -1 and y = 2?

Write the equations in standard form with integer coefficients

WHAT IS 3x - 20y = -5?

Tell whether it is reasonable for the graph to be represented as a linear model and EXPLAIN why! Also tell whether it would have a positive correlation, a negative correlation or no correlation.

WHAT IS NO? All of the points would not be close to one line of best fit.

Tell whether it is reasonable for the graph to be represented as a linear model and EXPLAIN why! Also tell whether it would have a positive correlation, a negative correlation or no correlation.

WHAT IS YES? All of the points would be close to one line of best fit.

Draw a line of best-fit for the scatter plot. Write an equation of your line

WHAT IS Y = 3x – 4?

On your calculator, draw a scatter plot of your data as well as a line of best-fit. 1.) State whether it is a positive correlation, negative correlation or no correlation. 2.) If it is a linear model, give the linear regression equation. X-201 Y51-3-7

X-201 Y51-3-7 WHAT IS Negative Correlation and y = -4x – 3?

Make a scatter plot on the graph below first, then use your calculator to fit a line to the data. For L1 – make x = to the years since 1994, so 1994=0, 1995=1, and so on. L2 should be the profit as read in the table. 1.) Use your calculator to write a linear model for the amount of profit. 2.) Use the linear model to estimate the total profit in 2002 and 2006

WHAT IS y = 1600x+248000? 2002 = \$376,000 2006 = \$440,000

Write an equation of the line that passes through the given points. (-3, 6) (1, -2)

WHAT IS y = -2x? Write an equation of the line that passes through the given points. (-3, 6) (1, -2)

Write an equation of the line that passes through the given points. (1, 3) (2, 7)

WHAT IS y = 4x - 1? Write an equation of the line that passes through the given points. (1, 3) (2, 7)

Write an equation of the line that passes through the given points. (3, 1) (4, -3)

WHAT IS y = -4x + 13? Write an equation of the line that passes through the given points. (3, 1) (4, -3)

Write an equation of the line that passes through the given points. (-8, 2) (-6, 3)

WHAT IS y = 1/2x + 6? Write an equation of the line that passes through the given points. (-8, 2) (-6, 3)

Write an equation of the line that passes through the given points. (2,5)(5,7)

WHAT IS 2x-3y=-11? Write an equation of the line in STANDARD FORM with integer coefficients that passes through the given points. (2,5)(5,7)

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