Math 9 2nd Grading Exams
Answer the following.
I. Fill in the Blanks. 2pts each.
1. A piece of the graph of f is concave______ if the curve ‘bends’ upward.
2. A piece of the graph of f is concave ______ if the curve ‘bends’ downward.
3. The graph of a quadratic function is called a _______.
4. The _____________ of a parabola is a vertical line that divides the parabola into two
congruent halves.
5. The axis of symmetry always passes through the ________ of the parabola.
6. The ___________ of the vertex is the equation of the axis of symmetry of the parabola.
7. These points are located in the x intercept is called__________.
II. Solve the following, show your solutions and graph.
Identify and label the roots, x intercept/y intercept, concavity and axis of symmetry.
20 pts. Each.
1. f(x)=3x2−9x+6.
2. f(x)=2x3−12x2+4x−27.
3. f(x)=x4−2x2+1
REAL CALCULATOR IS WORTH 6 BUNOS POINT. CELLPHONE NOT ACCEPTED.
Good luck! And God Bless
MATHEMATICS 8
SECOND QUARTER EXAMINATION
I. Multiple Choice: Identify the choice that best completes the statement or answers the question.
( Each item is worth two points, show your solution for each item on the right side of this paper to get the full points.)
______1. Simplify .
A. C.
B. D.
______2. Multiply.
A. C.
B. D.
______3. Multiply.
A. C.
B. D.
______4. Multiply.
A. C.
B. D.
______5. Factor .
A. C.
B. D.
______6. Factor the polynomial .
A.
B. Cannot be factored
C.
D.
______7. Simplify the rational expression . Identify any excluded values.
A. 3r; r 3 C. 3r; no excluded values
B. 3r; r 3 or 0 D. ;r 3
______8. Simplify the rational expression .
A. C.
B. D.
______9. Simplify the rational expression .
A. C.
B. D.
______10. Multiply. Simplify your answer.
A. C.
B. D.
______11. Divide. Simplify your answer.
A. C.
B. D.
______12. Add. Simplify your answer.
A. C.
B. D.
______13. Subtract. Simplify your answer.
A. C.
B. D.
______14. Add. Simplify your answer.
A. C.
B. D.
______15. Add .
A. C.
B. D.
II. List the steps in getting the LCD and Arrange the order by writing the numbers 1 to 5, 1 being the
first step to be done and 5 being the last, on the space provided.
_____
_____
_____
_____
_____
Good luck! And God Bless
Math 10 2nd Grading Exams
I. SOLVE THE FOLLOWING AND SHOW YOUR SOLUTIONS. 10PTS
1. (5n2 + 3n - 8)(4n2 - 6n - 2)
2. (8m2 + 8m + 3)(2m2 + 8m + 4)
3. (2r2 + 5r - 1)(5r2 + 2r - 8)
4. (b2 - 4b + 6)2
5. (x3 − 13x2 + 40x + 18) ÷ (x − 7)
6. (−5k2 + k3 + 8k + 4) ÷ (−1 + k)
7. (50k3 + 10k2 − 35k − 7) ÷ (5k − 4)
II. FIND THE FOLLOWING ZEROES OF POLYNOMIAL AND SHOW YOUR
SOLUTIONS. 20pts.
1. f(x) = x3 - 3x2 - 13x + 15
2. f(x) = 6x3 - 11x2 - 26x + 15
3. f(x) = x3 - 4x2 - 11x + 2
REAL CALCULATOR IS WORTH 10 BUNOS POINT. CELLPHONE NOT ACCEPTED.
Good luck! And God Bless