Solve for the variable.
x = 5
A. 10
B. 2
C. 6
D. 7
Answer: A
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Identify the rules of algebra illustrated from left to right by the following statement.
A. associative property of multiplication; multiplicative inverse property; multiplicative identity property B. commutative property of multiplication; multiplicative inverse property; multiplicative identity property C. associative property of multiplication; multiplicative identity property; multiplicative inverse property D. commutative property of multiplication; multiplicative identity property; multiplicative inverse property E. distributive property; multiplicative identity property; multiplicative inverse property
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Solve the system. 2x2 + y2 = 173x2 - 2y2 = -6
A. {(1, 3), (-1, -3)} B. {(2, 3), (2, -3), (-2, 3), (-2, -3)} C. {(1, 3), (1, -3), (-1, 3), (-1, -3)} D. {(2, -3), (-2, 3)}
Find the dimensions of a rectangle of area 400
that has the smallest possible perimeter.
a. 4 ft by 100 ft b. 1 ft by 400 ft c. 2 ft by 200 ft d. 20 ft by 20 ft