Simplify the expression. Write the result using positive exponents only.2-1 + 6-1
A. 
B. 2
C. - 
D. 
Answer: D
Mathematics
You might also like to view...
Simplify the expression, and combine like terms.7(10a2 + 3ab) - a(3a - 2b)
A. 73a2 + 23ab B. 67a2 + 19ab C. 73a2 + 3ab - 2b D. 67a2 + 23ab
Mathematics
Evaluate.
A. -19 B. -3 C. 4 D. 3
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 + 10x + 3 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.tan 255°
A. 
- 2
B. 
+ 2
C. - 
- 2
D. - 
+ 2
Mathematics