Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 10x
A. -5; (x + 5)2
B. 25; (x + 5)2
C. 5; (x + 5)2
D. 25; (x - 5)2
Answer: B
Mathematics
You might also like to view...
Solve the problem.How many km long is a 11,200 m race?
A. 1.12 km B. 11.2 km C. 112 km D. 1,120,000 km
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Solve.4
+ 5 = 17
A. 
B. 9
C. 3
D. 36
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.V = 
?r3; r = 4, ? = 3.14
A. V = 85.33 B. V = 66.99 C. V = 267.95 D. V = 803.85
Mathematics