Solve the equation.(5a + 4)2 = 4a2
A. 
, - 
B. - 
, 
C. - 
, - 
D. - 
Answer: C
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Identify the type of surface represented by the given equation.
- 
- 
= 1
A. Elliptical cone B. Ellipsoid C. Hyperboloid of one sheet D. Hyperboloid of two sheets
Provide an appropriate response.Perform the indicated operation. Express as an ordinary number. 0.487 ? 102
Fill in the blank(s) with the appropriate word(s).
Which of the following is a weakness in using the mnemonic PEMDAS to teach order of operations?
a. Its spatial ordering leads students to believe that multiplication takes precedence over division. b. It fails to acknowledge that parentheses are just one type of grouping symbol among many c. Its spatial ordering leads students to believe that addition takes precedence over subtraction. d. All of the above e. None of the above
Translate the ellipse with the given equation so that it is centered at the given point. Find the new equation and sketch its graph.
+ 
= 1; (3,1)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ = 1
D. 
+ 
= 1