Perform the indicated operation.(2x - 7)(x + 7)

A. 2x2 + 6x - 49
B. x2 + 7x + 6
C. 2x2 + 7x - 49
D. x2 - 49x + 7

Answer: C

Mathematics

You might also like to view...

Perform the indicated operation. Assume that variables represent positive numbers.( - 9)( + 3)

A. x2 - 6x - 27
B. 2x - 27
C. x + 6 + 27
D. x - 6 - 27

View
Mathematics

Solve the equation.6(x + 5) = (6x + 30)

A. {all real numbers} B. {60] C. {0} D. {?}

View
Mathematics

Write the augmented matrix of the system.

What will be an ideal response?

View
Mathematics

Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.y = -6x2 - 12x

A. vertex (1, -6); 
x-int: (0, 0) and (2, 0); 
y-int: (0, 0)

B. vertex (1, 6); 
x-int: (0, 0) and (2, 0); 
y-int: (0, 0)

C. vertex (-1, 6); 
x-int: (0, 0) and (-2, 0); 
y-int: (0, 0)

D. vertex (-1, -6);  
x-int: (0, 0) and (-2, 0); 
y-int: (0, 0)

View
Mathematics