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Linear Equations
Test Description: Linear equations
Instructions: Answer all questions to get your test result.
1) What is the slope of the line: 3x + 6y = 8 ?
A
-1/2
B
4/3
C
3
D
6
2) What is the y-intercept of the line: -2x + 7y = 14
A
14
B
2
C
-2
D
7
3) What is the equation of the line through (-3, 4) with a slope of 8?
A
y + 4 = 8 ( x - 3)
B
y = 8x + 4
C
y - 8 = -3 ( x - 4)
D
y - 4 = 8 ( x + 3)
4) Which equation is perpendicular to the x axis through (4, -8)?
A
x = 4
B
y = 4
C
x = -8
D
y = -8
5) What is a point in y - 7 = -3 (x + 4)
A
(4, -7)
B
(7, -4)
C
(7, -3)
D
(-4, 7)
6) Describe the graph of x less than -5 on a coordinate plane.
A
dotted horizontal line shaded to the left
B
solid horizontal line shaded to the right
C
solid vertical line shaded to the right
D
dotted vertical line shaded to the left
7) What is the standard form of the line y = 8x - 6?
A
y - 6 = 8 ( x - 6)
B
-8x + y = -6
C
8x - y = 6
D
x = y/8 + 6/8
8) What is a rate of change of an equation?
A
this is a trick question....equations don't have rates of change
B
slope
C
point on the x axis
D
point on the y axis
9) When you see a table, what should you do?
A
Plot the points on graph paper to see what the domain is.
B
Plot the points on graph paper to see what the range is.
C
Enter the numbers into a table in Desmos or TInSpire to find the m and b.
D
Find the slope using the first two rows of numbers.
10) What is the y-intercept of f(x) = 3x
A
3
B
There is no y-intercept since there is no y in the equation.
C
0
D
x
*select an answer for all questions
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