writing two variable linear equations 2020

Which equation below is the point slope form?

• y = mx + b

• y = m(x + b)

• $y\ -\ y_{1\ }=m\left(x\ -x_1\right)$

• $\text{}\frac{y_{2\ }-y_1}{x_2-x_1}$

Which equation is NOT written in standard form?

• 2x + 3y = 7

• 4 = -3y + 4x

• 3y = -2x + 4

• y + x = 2

Given m = -3 and the line is crossing the y-axis at coordinate point ( 0, 6). What would the slope intercept equation be for the line?

• y = -3x

• y = 6x - 3

• y = -3 + 0,6

• y = -3x + 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Given the coordinate points (2, 5) and (-3, -10) mark all equations that would represent the line, written in slope intercept form.

• y = 3x - 1

• 3x - y = 1

• y - 5 = 3( x - 2)

• -1 + 3x = y

Given the coordinate points (1, 7) and (-1, 7) what would the slope of this line?

• m = 7

• m = 0

• m is undefined

• $m\ =\ \frac{2}{7}$

• $m\ =\frac{0}{2}$

Tags

CCSS.8.EE.B.5

Given the coordinate points (-3, 7) and (1, -1), what would the point-slope form of an equation be for the line going through these two points? Choose all that apply

• y + 3 = -2(x - 7)

• y + 1 = -2(x -1)

• y - 7 = -2 ( x+ 3)

• y -1 = -2(x - 1)

Given the following graph, which slope intercept equation represents the line on the graph?

• $y=\frac{5}{4}x\ -\ 5$

• $y\ =\ \frac{-5}{4}x\ +\ 5$

• $y\ =\ \frac{-4}{5}x\ +\ 5$

• $y\ =\ \frac{4}{5}x\ -\ 5$

Given the following graph, which point-slope equation represents the line on the graph?

• $y\ -10\ =\ \frac{-5}{4}\left(\ x\ +4\right)$

• $y\ +\ 5\ =\ \frac{-5}{4}\left(x\ -8\right)$

• $y\ -\ 0\ =\frac{-5}{4}\left(x\ -\ 4\right)$

• all of the above

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines
• the same line 
• Intersecting lines

Tags

CCSS.8.EE.C.8A