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