Find the product.(x + y)(x - y)
A. x2 + y2
B. x2 - xy + y2
C. x2 - y2
D. x2 - 2xy - y2
Answer: C
Mathematics
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Provide an appropriate response.If (4x - 8)2 is the LCD of two fractions, is (8x - 4)2 also acceptable as an LCD? Why or why not?
What will be an ideal response?
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = x2 - 4
A. vertex (0, 4); axis x = 0
B. vertex (0, -4); axis x = 0
C. vertex (-4, 0); axis x = -4
D. vertex (4, 0); axis x = 4
Mathematics
If DE is a chord in circle O and M is the midpoint of DE, then
(a) OM = OD. (b) OM ? DE. (c) DE = ?MOD. (d) OD ? OE. (e) All of these are correct.
Mathematics
Write as an equivalent addition statement. (Do not evaluate.)6 - (-19)
A. 6 + (-19) B. 19 + (-6) C. 6 + 19 D. -19 + (-6)
Mathematics