Math 101 Quiz Week 5
Submit your answers directly to the facilitator by Day 6; please show all necessary work.
For questions 1-2, apply the quadratic formula to find the roots of the given function,
and then graph the function.
1. (6 points) f(x) = x2 + 4
Math 101 Quiz Week 3
Submit your answers directly to the facilitator by day 6; please show all necessary work.
For the systems of linear equations in questions 1-3
- Determine how many solutions exist
- Use either elimination or substitution to find the s
1.
I. one solution, no solutions, or infinite solutions
ONE SOLUTION:
NO SOLUTIONS:
INFINITE SOLUTIONS:
iii. equation 1: y=4x+20
equation 2: y=4x+20
4x+20=4x+20
0=0 infinite solutions
Equation 1: 5x+2y=9
Equation 2: 5x+2y=15
(-1)5x+2y=9(-1) -5x-2y=-9 and
Math 101 Quiz Week 4
Submit your answers directly to the facilitator by Day 6; please show all necessary work.
For the questions 1-7, simplify the following algebraic expressions:
1. (4 points)
3x 3 y 4 z 2
6x 1 y 3 z 3
1x4yz
2
X4yz
2
1
2
2. (3 points) 36
Week 5 Model Solutions
General information:
There are three techniques for solving a quadratic equaion: factoring, completing the square, and applying
the quadratic equation. These are explained in excellent detail, along with step by step examples, in th
Week 1 Assignment 4: Mixed Problems
By Day 4 complete and submit your answers to the facilitator; please show all necessary
work. By Day 5 post your answers in the appropriate thread for review and comments
from others.
1. (4 points) Simplify the algebrai
Math 1010 Quiz Week 1
Submit your answers directly to the facilitator by day 6; please show all necessary work.
1. (4 points) Simplify the algebraic expression
5xy - 3yz - 5xz + yz - 4xz + 7xy
and evaluate it for x = 10, y = -4, z = -6.
Identify the varia
Name _
Bigley
Chemistry of Materials
Week 8 Worksheet/Quiz
1. Name the five cast iron types and describes the microstructure and note the general
mechanical characteristics for each.
White cast iron- hardness, high compressive strength. Microstructure fas