Chapter 2: Q16. (page 69)
Solve each system by the method of addition or subtraction.
7y = 2x + 35
3y = 2x + 15
Short Answer
The solution of given system of equations is x = 0, y = 5.
Chapter 2: Q16. (page 69)
Solve each system by the method of addition or subtraction.
7y = 2x + 35
3y = 2x + 15
The solution of given system of equations is x = 0, y = 5.
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Get started for freeProve the following statement by filling in the blanks.
If A and B have coordinated a and b, with , and the midpoint M of has coordinate x, then prove .
Proof:
Statement | Reasons |
1. A, M, and B have coordinated a, x, and b respectively; . | 1. ? |
2. | 2. ? |
3. M is the midpoint of . | 3. ? |
4. , or | 4. ? |
5. | 5. ? |
6. ? | 6. ? |
7. | 7. ? |
Tell whether each statement is true or false. Then write the converse and tell whether it is true or false.
If points D, E, and F are collinear, then .
Justify each step.
State the converse of each conditional. Is the converse true or false?
If , then
.
State which postulate, definition, or theorem justifies the statement about the diagram.
If is the bisector of , then .
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