Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 + 10x = - 2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.The angle of reflection ? of a ray from air to a medium of index n is given by Snell's Law to be sin ? = 1/n. Find ? if n = 7/6.
A. 31.0° B. 121.0° C. 59.0° D. 1.6°
Mathematics
Complete the table of values for the given equation.4x - 5y = -20
A. 10; 5; -5 B. 0; 5; -5 C. 10; -5; 5 D. 0; -5; 5
Mathematics
Graph the linear inequality.y ? 4x + 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The height of an egg after t seconds when thrown straight up with an initial speed of 128 feet per second from a height of 224 feet is given by the polynomial 
Write this polynomial in factored form.
A. -4(4t2 - 32t - 56) B. -16(t2 - 8t - 14) C. 2(-8t2 + 64t + 112) D. 16(-t2 + 8t + 14)
Mathematics