20 questions
which equation matches the graph?
Which equation matches the graph?
2x - y = 2
x + 2y = 4
2x + y = 2
x - 2y = 4
What are the x - and y - intercepts of the graph?
x = -1
y = -1
x = 1
y = 1
x = -1
y = 1
x = 1
y = -1
What is the slope of the line?
2
-2
4
1/2
What is the slope of the line that goes through (14, 15) and (-10, 7)?
3
-3
1/3
-1/3
What is the slope of the line?
2/7
-2/7
5
-5
What is the slope - intercept form of the line
slope = -1, y -intercept = -2
y = -x - 2
y = x + 2
y = -x + 2
y = x - 2
Write the slope-intercept form of the equation:
through (-5, -1) with slope = 4/5
Write the slope - intercept form of the equation:
through (4, -1) and (0, 3)
Which is the line of best fit for the equation?
y = -0.11x + 0.99
y = -0.99x + 0.11
y = 0.11x - 0.99
y = 0.99x - 0.11
What is the x and y intercepts of the equation 4x - 10y = 20
x = -5
y = 2
x = 2
y = -5
x = 5
y = -2
x = -2
y = 5
Which ordered pair COULD represent a y-intercept?
(2, 0)
(0, 2)
(2, 1)
(1, 2)
Out of the list, which is the x - intercept?
(8, 10), (3, -4), (0, 8), (9, 0)
(8, 10)
(3, -4)
(0, 8)
(9, 0)
Solve for n:
2m - n = 8
n = 8 - 2m
n = -8 + 2m
What direction is undefined slope?
horizontal
vertical
Find the slope from the two points:
(2, 4) and (6, 12)
2
-2
1/2
-1/2
What is the slope of the equation?
5x - y = 10
5
-5
10
-10
Find the equation of the line that goes through the points (3,8) and (9,16).
y=4/3x - 12
y = 4/3x + 4
y = 4/3x
4/3
Solve for y:
x - y + 4 = 0
y = x - 4
y = -x - 4
y = x + 4
y = -x + 4
Consider the equation:
y=-x+4
Identify the slope and y-intercept
m = -1, b = 4
m = 1, b = 4
m = 4, b = 1
m = 4, b = -1