Answer the question.To complete the square of 
, is it ever a good idea to divide by the coefficient of x2?
Fill in the blank(s) with the appropriate word(s).
Yes.
Mathematics
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Multiply mentally.
A. 9x4 - 
B. 9x2 + 132x - 
C. 9x2 - 132x - 
D. 9x2 - 
Mathematics
Use the properties of angle measures to find the measure of each marked angle.Lines m and n are parallel.
a = (4x + 10)°b = (5x + 143)°
A. 87°, 93° B. 22°, 158° C. 3°, 177° D. 8°, 172°
Mathematics
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 5
C. 
D. 
Mathematics
Find the quotient. Check by multiplying.
A. 1 R 9 B. 3 C. 2 D. 1 R 8
Mathematics