Find the dot product for the pair of vectors.-7j, 5i
A. 12
B. -2
C. 0
D. -12
Answer: C
Mathematics
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Find an equation for the line, in the indicated form, with the given properties. Containing the points (6, 9) and (3, 5); general form
A. 3x + 2y = -1 B. -3x - 2y = -1 C. 4x + 3y = 3 D. -4x + 3y = 3
Mathematics
Round the whole number to the given place value.557 to the nearest ten
A. 570 B. 660 C. 560 D. 550
Mathematics
Solve the equation by factoring.x(x + 6) = 72
A. {12, -6} B. {12, 6} C. {-12, 6} D. {-12, -6}
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = -4x2 - 2x - 9
A. 
; x = 
B. 
; x = - 
C. (4, -9); x = 4
D. 
; x = -4
Mathematics