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Catch Phrases Part 3, End Of Unit 2
Test Description: 8th grade catch phrases/vocabulary.
Instructions: Answer all questions to get your test result.
1) 1. The slope of a vertical line is...
A
...zero.
B
...negative one.
C
...undefined.
D
...one.
2) 2. The equation of a horizontal line is...
A
y = a number.
B
x = a number.
C
rise over run.
D
run over rise.
3) 3. When adding exponential terms...
A
...only the exponents must be the same.
B
...the bases AND exponents must be the same.
C
...throw up your hands and refuse to finish the test.
D
...only the bases must be the same.
4) 4. The dependent variable in an equation is always...
A
...all of the above.
B
...the variable that is graphed on the left side of the graph.
C
...the variable that changes depending on what you choose to replace the OTHER variable.
D
...the variable that is by itself on one side. (usually y)
5) 5. y = mx + b What does the b represent?
A
the independent variable
B
the y-intercept on a graph.
C
the dependent variable
D
the slope
6) 6. y = mx + b, What does the m represent?
A
the dependent variable
B
the slope
C
the independent variable
D
the y-intercept
7) 7. y = mx + b, What does the x represent?
A
the y-intercept
B
the independent variable
C
the slope
D
the dependent variable
8) 8. y = mx + b, What does the y represent?
A
the slope
B
the independent variable
C
the dependent variable
D
the y-intercept
9) 9. A graph is a function if...
A
...looks like an S.
B
...looks like a C.
C
...it is the prettiest graph.
D
...it passes the vertical line test.
10) 10. The inequality sign always points to the...
A
...smallest quantity
B
...right.
C
...left.
D
...largest quantity.
11) 11. Right triangle: I need to find the length of the hypotenuse
A
angle + angle + angle = 180
B
none of these answers
C
c^2 - b^2 = a^2
D
a^2 + b^2 = c^2
12) 12. Right triangle: I need to find the length of one of the Non-Hypotenuse sides:
A
none of these answers
B
c^2 - b^2 = a^2
C
angle + angle + angle = 180
D
not possible
13) 13. The equation of a vertical line is...
A
y = a number
B
y = mx + b
C
x = a number
D
not enough information
14) 14. The slope of a horizontal line is...
A
undefined
B
zero
C
x = 3
D
y = 3
15) 15. y = mx + b; In a word problem the b represents...
A
The starting amount.
B
A one-time fee.
C
The value at the point (0, y).
D
All of these answers are correct.
16) 16. Other words for slope...
A
rate of change, y-axis, and y-intercept
B
rate, rate of change, and constant of variation (k)
C
constant of variation, y-intercept, y-axis
D
rate, rate of change, and y-intercept
17) 17. To calculate slope...
A
change in y/change in x
B
stack and subtract
C
All of these answers are correct.
D
rise/run
18) 18. Translation...
A
orientation is the same, y value always stays the same.
B
orientation is the same, x AND y values may change.
C
orientation is different, x AND y values may change
D
orientation is different, x AND y values may change.
19) 19. Reflection over the y-axis:
A
the x value changes to its opposite, the y value stays the same.
B
both x and y values change to their opposites.
C
the y value changes to its opposite, the x value stays the same.
D
neither value changes.
20) 20. Rotation of 180 degrees:
A
the y value changes to its opposite, the x value stays the same.
B
neither value changes.
C
the x value changes to its opposite, the y value stays the same.
D
both x and y values change to their opposites.
*select an answer for all questions
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