# Catch Phrases Part 3, End Of Unit 2: Question Preview (ID: 29076)

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**20. Rotation of 180 degrees:**

a) both x and y values change to their opposites.

b) the x value changes to its opposite, the y value stays the same.

c) neither value changes.

d) the y value changes to its opposite, the x value stays the same.

**19. Reflection over the y-axis:**

a) the x value changes to its opposite, the y value stays the same.

b) the y value changes to its opposite, the x value stays the same.

c) both x and y values change to their opposites.

d) neither value changes.

**18. Translation...**

a) orientation is the same, x AND y values may change.

b) orientation is different, x AND y values may change

c) orientation is the same, y value always stays the same.

d) orientation is different, x AND y values may change.

**17. To calculate slope...**

a) All of these answers are correct.

b) rise/run

c) change in y/change in x

d) stack and subtract

**16. Other words for slope...**

a) rate, rate of change, and constant of variation (k)

b) rate, rate of change, and y-intercept

c) rate of change, y-axis, and y-intercept

d) constant of variation, y-intercept, y-axis

**15. y = mx + b; In a word problem the b represents...**

a) The starting amount.

b) The value at the point (0, y).

c) A one-time fee.

d) All of these answers are correct.

**14. The slope of a horizontal line is...**

a) zero

b) undefined

c) x = 3

d) y = 3

**13. The equation of a vertical line is...**

a) x = a number

b) y = a number

c) y = mx + b

d) not enough information

**12. Right triangle: I need to find the length of one of the Non-Hypotenuse sides:**

a) c^2 - b^2 = a^2

b) angle + angle + angle = 180

c) not possible

d) none of these answers

**11. Right triangle: I need to find the length of the hypotenuse**

a) a^2 + b^2 = c^2

b) c^2 - b^2 = a^2

c) angle + angle + angle = 180

d) none of these answers

**9. A graph is a function if...**

a) ...it passes the vertical line test.

b) ...it is the prettiest graph.

c) ...looks like a C.

d) ...looks like an S.

**10. The inequality sign always points to the...**

a) ...smallest quantity

b) ...left.

c) ...largest quantity.

d) ...right.

**8. y = mx + b, What does the y represent?**

a) the dependent variable

b) the independent variable

c) the slope

d) the y-intercept

**7. y = mx + b, What does the x represent?**

a) the independent variable

b) the dependent variable

c) the slope

d) the y-intercept

**5. y = mx + b What does the b represent?**

a) the y-intercept on a graph.

b) the slope

c) the dependent variable

d) the independent variable

**6. y = mx + b, What does the m represent?**

a) the slope

b) the y-intercept

c) the dependent variable

d) the independent variable

**3. When adding exponential terms...**

a) ...the bases AND exponents must be the same.

b) ...only the bases must be the same.

c) ...only the exponents must be the same.

d) ...throw up your hands and refuse to finish the test.

**4. The dependent variable in an equation is always...**

a) ...the variable that is by itself on one side. (usually y)

b) ...all of the above.

c) ...the variable that changes depending on what you choose to replace the OTHER variable.

d) ...the variable that is graphed on the left side of the graph.

**2. The equation of a horizontal line is...**

a) y = a number.

b) x = a number.

c) rise over run.

d) run over rise.

**1. The slope of a vertical line is...**

a) ...undefined.

b) ...zero.

c) ...one.

d) ...negative one.

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