Subtract and simplify.
A. 7
B. 8
C. 7
D. 6
Answer: A
Mathematics
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Find the length and direction (when defined) of u × v.u = 4i + 6j , v = i - j
A. 2; -2k B. 2; 2k C. 10; -10k D. 10; -k
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Provide an appropriate response.Solve by factoring: x2 - 4x - 12 = 0
Fill in the blank(s) with the appropriate word(s).
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Solve the equation by completing the square.x2 + 14x + 34 = 0
A. {-7 - 
, -7 + 
}
B. {7 + 
}
C. {-14 + 
}
D. {7 - 
, 7 + 
}
Mathematics
Find the x-intercepts.f(x) = x2 + 5x
A. x-intercepts (0, 0) and (5, 0) B. No x-intercept C. x-intercepts (0, 0) and (-5, 0) D. x-intercepts (0, -5) and (-5, 0)
Mathematics