Use the square root property to solve the quadratic equation.
2 = 
A. ±
B. 0, - 
C. 
D. 0, 
Answer: D
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Solve.A pipe 4 inches in diameter and 6 feet 10 inches long is three-quarters full of water. If 1 cubic foot of water equals 62.4 pounds, what is the weight of the base of the pipe? Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Multiply and simplify.(7x + 10)2
A. 7x2 + 140x + 100 B. 49x2 + 100 C. 7x2 + 100 D. 49x2 + 140x + 100
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.2x2 + 3xy + 2y2 - 8x + 8y = 0
A. x = -y' and y = x'
B. x = 
x' - 
y' and y = 
x' + 
y'
C. x = 
(x' - y') and y = 
(x' + y')
D. x = 
x' - 
y' and y = 
x' + 
y'
Solve the problem by using addition, subtraction, multiplication, or division as needed.Raisa's car used 12 gallons of gasoline when she drove it 216 miles. How many miles per gallon did it get?
A. 12 miles per gallon B. 204 miles per gallon C. 18 miles per gallon D. 22 miles per gallon