Algebra 2 – Unit 2 Assessment – A-CED.3, A-CED.4, A-REI.2, A-REI.11, F-IF.5, F-IF.6, F-IF.7b, F-IF.7c, F-IF.7e, F-BF.4a, F-LE.4

1. Question

1. What does this mean in normal language?

A. Income is more than $30,000 and less than $60,000
B. Income is less than $30,000 and less than $60,000
C. Income is Less than $60,000
D. Income is more than $30,000

2. Question

2. Re-write the distance formula (d=rt) to solve for r.

3. Question

3. Which of these equations has a solution?

A. √(5x) = -10
B. √(4y + 4) = y
C. -4√(5x – 1) = 8
D. √x = 3x + 1

4. Question

4. What is the x value where these parabolas meet?

5×2 – 14x – 50 = 2×2 – 8x + 22

Enter the numerical value of the solution

5. Question

5. What is the domain of the points:

(3,4) (9,2)

A. 3 to 2
B. 4 to 2
C. 4 to 9
D. 3 to 9

6. Question

6. Calculate the rate of change of the linear function y – 3x + 6 = 0

7. Question

7. What is the slope of the linear function with equation:

3y – x = 7

A. 1/3
B. 1
C. 3
D. 7

8. Question

8. State the coordinates of the x intercept of the function:

y = ¾x – 9

9. Question

9

A.
B.
C.
D.
E.

10. Question

10. What is the inverse function of f(x)=3?

A. f(x)=3 does not have an inverse function
B. f'(x)=-3
C. f'(x)=1/3
D. f'(x)= -(1/3) function

11. Question

11. The number of bacteria in a petri dish is given by the formula:

B(t) = 20e1.2t, where t is time in hours.

After 4 hours, how many bacteria are present, to the nearest hundred?