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warm up find three solutions to each equation. (lesson 4.2) 1.y = 1/2x + 3 2.y = -3/2x + 7 3.y = -2x...

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  • WARM UP Find three solutions to each equation. (lesson 4.2) 1.y = 1/2x + 3 2.y = -3/2x + 7 3.y = -2x - 4 4 XY
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WARM UP Find three solutions to each equation. (lesson 4.2) 1. y = 1/2x + 3 2. y = -3/2x + 7 3. y = -2x - 4 4 X Y

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WARM UPFind three solutions to each equation. (lesson 4.2)y = 1/2x + 3

y = -3/2x + 7

y = -2x - 44XY1WARM UPFind three solutions to each equation. (lesson 4.2)y = 1/2x + 3

y = -3/2x + 7

y = -2x - 43XY2WARM UPFind three solutions to each equation. (lesson 4.2)y = 1/2x + 3

y = -3/2x + 7

y = -2x - 42XY3WARM UPFind three solutions to each equation. (lesson 4.2)y = 1/2x + 3

y = -3/2x + 7

y = -2x - 41XY4WARM UPFind three solutions to each equation. (lesson 4.2)y = 1/2x + 3

y = -3/2x + 7

y = -2x - 40

XY55.2 Point-Slope FormTodays Schedule:Lesson 5.2 PowerpointIn class assignment/homeworkExit SlipGOAL: Use point-slope form to write the equation of a line.KEY WORDS: slope, point-slope form

5.2 Point-Slope FormPOINT-SLOPE FORM OF THE EQUATION OF A LINE

The point-slope form of the equation of the line through (x1, y2) with slope m is

y y1 = m(x x1)

WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(7, 7)

M = -2WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(-8, -22)

M = 3WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(-10, 0)

M = 2WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(-8, -2)

M = 2WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(-4, 3)

M = -6WRITING EQUATIONS Write in point-slope form the equation of the line that passes through the given point and has the given slope.

(-3, 4)

M = 6COMPARING FORMS Write in point-slope form the equation of the line. Then rewrite the equation in slope-intercept form.

(2, 3)

M = 1COMPARING FORMS Write in point-slope form the equation of the line. Then rewrite the equation in slope-intercept form.

(12, 2)

M = -7COMPARING FORMS Write in point-slope form the equation of the line. Then rewrite the equation in slope-intercept form.

(8, -1)

M = 0WRITING EQUATIONS OF PARALLEL LINES Write in slope-intercept form the equation of the line that is parallel to the given line and passes through the given point.

y = -2x + 3

(0, 5)WRITING EQUATIONS OF PARALLEL LINES Write in slope-intercept form the equation of the line that is parallel to the given line and passes through the given point.

y = 4x + 1

(1, 0)WRITING EQUATIONS OF PARALLEL LINES Write in slope-intercept form the equation of the line that is parallel to the given line and passes through the given point.

y = 2x 11

(3, 4)WRITING EQUATIONS OF PARALLEL LINES Write in slope-intercept form the equation of the line that is parallel to the given line and passes through the given point.

y = 7x 1

(8, 0)CHOOSING A FORM Now you know two ways to write linear equations: slope-intercept form or in point-slope form. Depending on the information you are given, sometimes it is easier to write a linear equation in one form rather than the other.


Selected Answers - whitman.edu fileA Selected Answers 1.1.1. (2/3)x+ (1/3) 1.1.2. y = −2x 1.1.3. (−2/3)x+(1/3) 1.1.4. y = 2x+ 2, 2, −1 1.1.5. y = −x+ 6, 6, 6 1.1.6. y = x/2+

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Warm Up 1. Order the following from widest to narrowest: y = -2x 2, y = 5x 2, y =.5x 2, y = -3.5x 2 2. Find the vertex of y = -2x 2 – 8x – 10. 3. Find

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Regents Review #3 Functions f(x) = 2x – 5 y = -2x 2 – 3x + 10 g(x) = |x – 5| y = ¾ x y = (x – 1) 2 Roslyn Middle School Research Honors Integrated Algebra

S.4 Mathematics x + y –7 = 0 2x – 3y +6=0 x y 0 (3, 4) Put (3,4) into x +y –7 =0 LHS = 3+4 – 7 Put (3,4) into 2x –3y +6 =0 LHS = (2)3 – 3(4) + 6 = 0

Graphing Lines. Slope – Intercept Form Graph y = 2x + 3

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