NAME: _____________________________________
DATE: _______________________________
YR. & SEC.: __________________________________
SCORE: ______________________________
WORKSHEET #1
MATHEMATICS 9
A. Find each indicated product.
1. 3(𝑥 2 + 7) = _________________________________
2. 2𝑠(𝑠 − 4) = ______________________________
3. (𝑤 + 7)(𝑤 + 3) = ____________________________
4. (𝑥 + 9)(𝑥 − 2) = _________________________
5. (2𝑡 − 1)(𝑡 + 5) = ____________________________
B. Identify which of the following equations are quadratic and which are not. If the equation is not quadratic,
explain.
1. 3𝑚 + 8 = 15 _________________________________________________________________________________
______________________________________________________________________________________________
2. 𝑥 2 − 5𝑥 + 10 = 0 _____________________________________________________________________________
______________________________________________________________________________________________
3. 12 − 4𝑥 = 0 _________________________________________________________________________________
______________________________________________________________________________________________
4. 3𝑥(𝑥 − 2) = −7 _______________________________________________________________________________
_______________________________________________________________________________________________
5. (𝑤 − 8)(𝑤 + 5) = 14 __________________________________________________________________________
______________________________________________________________________________________________
C. Write each quadratic equation in standard form, 𝑎𝑥 2 + 𝑏𝑥 + 𝑐 = 0 then identify the values of a, b, and c. Show
your solution.
1. 3𝑥 − 2𝑥 2 = 7
2. (𝑥 + 7)(𝑥 − 7) = −3𝑥
3. 2𝑥(𝑥 − 3) = 15
4. 2𝑥(𝑥 + 4) = (𝑥 − 3)(𝑥 − 3)