Solve the quadratic equation using the square root property. Express imaginary solutions in a + bi form.(x + 7)2 = -147
A. {7 ± 7i
}
B. {-7 ± 7
}
C. {-7 ± 7
}
D. {-7 ± 7i
}
Answer: D
Mathematics
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Find an equivalent expression by factoring.7 + 35a + 49b
A. 7(1 + 5a + 7b) B. 35(1 + a + b) C. 7(0 + 5a + 7b) D. 7(1 + 35a + 49b)
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.512x4 - x
A. x(8x + 1)(64x2 - 8x + 1) B. x(512x - 1)(x2 + 8x + 1) C. x(8x - 1)(64x2 + 1) D. x(8x - 1)(64x2 + 8x + 1)
Mathematics
Solve the problem.Some values for a relation are given in the table. Is the relation a function?
A. Yes B. No
Mathematics
Find the x-intercepts.y = -3x2 - 8x + 2
A. 
and 
B. No x-intercepts
C. 
and 
D. 
and 
Mathematics