Factor by grouping.9z2 + 6z - 8
A. (9z + 4)(z - 2)
B. (3z - 4)(3z + 2)
C. 9z2 + 6z - 8
D. (3z + 4)(3z - 2)
Answer: D
Mathematics
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Use the given conditions to write an equation for the line in slope-intercept form.Passing through (4, 4) and perpendicular to the line whose equation is y = 
x + 9.
A. y = - 3x - 16
B. y = 3x - 16
C. y = - 3x + 16
D. y = - 
x - 
Mathematics
Graph the line containing the point P and having slope m.P = (-5, -5); m = 
A. 
B. 
C. 
D. 
Mathematics
?Write the first five terms of the sequence of partial sums.
?
?
A. ?5 , 
, 
, 
, 
B. ??5 , 
, 
, 
, 
C. ??5 , 
, 
, 
, 
D. ??5 , 
, 
, 321 , 
E. ??5 , 
, 
, 
, 
Mathematics
Solve the system of equations.x2 + y2 = 145x - y = 1
A. (9, -8), (8, -9) B. (9, 8), (-8, -9) C. (-9, -8), (-8, -9) D. (-9, 8), (-8, 9)
Mathematics