6.1.1 Linear Equations - Algebra

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [00:00 - 04:09]

Multiple Choice

Which form of linear equation has the formula y = mx + b?

• Slope-intercept form

• Standard form

• Point-slope form

• Vertex form

Multiple Choice

How can slope be calculated?

• Using the distance formula

• Using the midpoint formula

• Using the Pythagorean theorem

• Using the rise over run method

Multiple Choice

What are the three forms of linear equations?

• Slope-intercept, Standard, Point-slope

• Quadratic, Cubic, Quartic

• Polynomial, Radical, Rational

• Exponential, Logarithmic, Trigonometric

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [04:09 - 08:23]

Multiple Choice

What is the formula for calculating slope?

• y = mx + b

• (y2-y1)/(x2-x1)

• x = 0

• Vertical slope

Multiple Choice

Which type of slope goes down as the line goes right?

• Negative slope

• Positive slope

• Horizontal slope

• Vertical slope

Multiple Choice

What is the x-intercept?

• Point where x=0

• Point where y=0

• Point where slope=0

• Point where slope is undefined

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [08:23 - 12:11]

Multiple Choice

What is the definition of the y-intercept in linear equations?

• The point where y equals 0 and is equal to b

• The point where x equals 0 and is equal to b

• The point where y equals 1 and is equal to b

• The point where x equals 1 and is equal to b

Multiple Choice

What is the definition of the x-intercept in linear equations?

• The point where x equals 1 and is equal to 0

• The point where y equals 1 and is equal to 0

• The point where y equals 0 and is equal to x

• The x-intercept is the point where x equals 0

Multiple Select

Which of the following statements is true about the intercepts in linear equations?

• The y-intercept is the point where x equals 0

• The x-intercept is the point where y equals 0

• The y-intercept is the point where y equals 0

• The x-intercept is the point where x equals 0

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [12:11 - 15:59]

Multiple Choice

What is the equation of the line perpendicular to y=2x+3?

• y=-0.5x+1

• y=-2x+3

• y=2x+3

• y=0.5x+1

Multiple Select

Which of the following have negative reciprocal slopes?

• y=-3x+2

• y=0.5x-1

• y=-2x+1

• y=-0.33x-4

Multiple Select

How do you graph y=1/2x+4?

• Plot (0,4) and slope down to the right

• Plot (4,0) and slope up to the left

• Plot (0,4) and slope up to the right

• Plot (4,0) and slope down to the left

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [15:59 - 20:08]

Multiple Choice

What is the slope-intercept form of a linear function?

• y = mx + b

• x = -b/m

• y = -mx + b

• x = b/m

Multiple Select

What are the steps to graph a linear function in slope-intercept form?

• Identify the slope

• Identify the x-intercept

• Identify the y-intercept

• Draw a parabola

Multiple Choice

Which form of a linear function is easier to graph for beginners?

• Point-slope form

• Vertex form

• Slope-intercept form

• Standard form

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [20:08 - 24:17]

Multiple Choice

What is the method to find the x-intercept of a linear equation in standard form?

• Substitute y with 0 and solve for x

• Substitute x with 0 and solve for y

• Connect the intercepts with a straight line

• Find the slope of the line

Multiple Choice

What is the method to find the y-intercept of a linear equation in standard form?

• Substitute x with 0 and solve for y

• Substitute y with 0 and solve for x

• Connect the intercepts with a straight line

• Find the slope of the line

Multiple Choice

How do you graph a linear equation in standard form?

• Connect the intercepts with a straight line

• Substitute x with 0 and solve for y

• Substitute y with 0 and solve for x

• Find the slope of the line

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [24:17 - 28:24]

Multiple Choice

What is the point-slope form of a linear equation?

• y = ax² + bx + c

• y = mx + b

• y = mx

• y = mx + c

Multiple Choice

Given the equation y = 3x + 2, what is the slope of the line?

• -3

• 2

• 3

• -2

Multiple Select

Which of the following is a point on the line y = -2x + 5?

• (2, -9)

• (-1, 7)

• (0, 5)

• (-2, 1)

Linear equations

https://youtu.be/Ft2_QtXAnh8

View this before you go to next slide [28:24 - 32:04]

Multiple Choice

What is the slope and y-intercept of the line represented by the equation y = 3x - 2?

• Slope = 2, y-intercept = 3

• Slope = 3, y-intercept = -2

• Slope = -2, y-intercept = 3

• Slope = 3, y-intercept = 2

Multiple Select

Which equation represents a vertical line?

• y = -5

• x = 4

• y = 4

• x = -5

Multiple Choice

What is the slope of the line that passes through the points (2,5) and (6,11)?

• 4/6

• -6/4

• 6/4

• -4/6