Use Descartes' Rule of Signs to determine the possible number of positive and negative zeros of 
a. 3 positive reals or 1 positive real; 3 negative reals or 1 negative real
b. 3 positive reals or 1 positive real; no negative reals
c. 0 positive real; 3 negative reals or 1 negative real
d. 1 positive real; 3 negative reals or 1 negative real
c. 0 positive real; 3 negative reals or 1 negative real
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Find the area of the shaded region.
A. 
B. 
C. 
D. 
Solve using matrices. 6x - 5z + w = 24-x + 6y + z - 6w = 2 3x - y + 5w = 9 y - 6z - w = -11
A. (6, -1, 2, -2) B. (-1, 6, 4, -3) C. (5, 1, -2, 0) D. (1, -1, -7, -2)
Factor the GCF from the polynomial.(x + 7)(3x + 7) - (x - 7)(3x + 7)
A. (3x + 7)(x + 14) B. 14(3x + 7) C. (3x + 7)(2x - 7) D. 7(3x + 7)
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = x2 - 3x - 10
A. x = -5, x = 2 B. x = 5, x = 2 C. x = 5, x = -2 D. x = -5, x = 1