Factor, if possible.15z2 + 14z - 8
A. (3z + 4)(5z - 2)
B. (3z - 4)(5z + 2)
C. Prime polynomial
D. (3z - 4)2
Answer: A
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 2x + 6
A. Vertex: (1, -1);
x-intercepts: (0, 0) and (2, 0);
y-intercept: (0, 0)
B. Vertex: (1, -5);
x-intercepts: none;
y-intercept: (0, -6)
C. Vertex: 
;
x-intercepts: (1, 0) and (6, 0);
y-intercept: (0, 6)
D. Vertex: (1, 5);
x-intercepts: none;
y-intercept: (0, 6)
Solve the problem.A particle is moving on a horizontal line. Its distance from the origin at time t seconds is 
What is the instantaneous velocity at 
A. - 
ft/sec
B. 
ft/sec
C. - 
ft/sec
D. - 
ft/sec
Write the augmented matrix for the system. 8x + 3y + 8z = 56 4x + 6y + 8z = 84 7x + 2y + 7z = 44
A. 
B. 
C. 
D. 
Solve the problem.How many 2-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 90 B. 3,628,800 C. 45 D. 1,814,400