Write the quadratic function in vertex form.y = x2 + 4x + 7
A. y = (x - 2)2 + 3
B. y = (x + 2)2 + 3
C. y = (x + 2)2 - 3
D. y = (x - 2)2 - 3
Answer: B
You might also like to view...
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.C = 2?r; C = 12.56, ? = 3.14
A. 15.70 B. 2 C. 4 D. 78.88
Consider the function 
at 
.
?
Use the second Taylor polynomial to approximate 
. Round the answer to six decimal places, if necessary.
?
__________
?
Find a bound for the error in the approximation. Round the answer to five decimal places, if necessary.
?
__________
What will be an ideal response?
Evaluate the polynomial.2x2 - y2 + 2xy for x = -2 and y = -6
A. -4 B. -52 C. -68 D. 68
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x4(x2 - 5)
A. 0, multiplicity 4, crosses x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 4, crosses x-axis
C. 0, multiplicity 4, touches x-axis
D. 0, multiplicity 4, touches x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis