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Linear Functions
Test Description: Vocabulary associated with linear functions
Instructions: Answer all questions to get your test result.
1) The raio of the change in y-values to the change in x-values is called:
A
the slope
B
the x-intercept
C
an ordered pair
D
the y-intercept
2) A horizontal line has a slope with a value that is:
A
zero
B
negative
C
undefined
D
positive
3) Standard form for a linear equation is:
A
y=x
B
y=mx + b
C
Y - Y1 / X - X1
D
Ax + By = C
4) The place where the linear function crosses the x-axis is:
A
always positive
B
the x-intercept
C
always zero
D
the y-intercept
5) In the linear equation Ax+By=C:
A
A and B can't both be zero
B
C can never be negative
C
A and B both have to be positive
6) In the equation y=mx+b, the variables that represent constants are:
A
y and b
B
m and b
C
x and y
D
x and m
7) If a line has an undefined slope:
A
it is a horizontal line, but NOT a linear function
B
It is a horizontal line and a linear function
C
it is a vertical line and a linear function
D
it is a vertical line and is NOT a linear function
8) To place the equation 6y = -2x + 5 into standard form, you would:
A
divide both sides by 2
B
subtract 6y from both sides
C
subtract 5 from both sides
D
add 2x to both sides
9) If a line has a slope of -2, the line would be:
A
going uphill from left to right
B
a straight vertical line
C
going downhill from left to right
D
a straight horizontal line
10) In the equation y= 3x+5, the y-intercept is:
A
is 3
B
is 5
C
found by dividing 5 by 3
D
found by dividing 3 by 5
*select an answer for all questions
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