Find the equation of the axis of symmetry.f(x) = -(x + 3)2 + 8
A. x = -8
B. x = 3
C. x = -3
D. x = 8
Answer: C
Mathematics
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Which document was written primarily in order to help emphasize the roles of reasoning and sense-making in the curriculum?
a. Focus in High School Mathematics b. Curriculum Focal Points c. Assessment Standards for School Mathematics d. Saxon Mathematics
Mathematics
Multiply.(5m2)(5m3)
A. 25m B. -25m C. -25m5 D. 25m5
Mathematics
Solve.Find two numbers whose sum is 40 and whose product is as large as possible. [Hint: Let x and 
be the two numbers.Their product can be described by the function 
A. 
and 
B. 20 and 60
C. 19 and 21
D. 20 and 20
Mathematics
Complete the identity.sin(4?) sin(6?) cos(4?) cos(6?) = ?
A. 
B. 
C. cos2(48?)
D. 
Mathematics