Use the given row transformation to change the matrix as indicated.
; 7 times row 1 added to row 2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the focus and directrix of the parabola.y = 5x2
A. 
, x = - 
B. 
, y = - 
C. 
, y = 
D. 
, x = - 
Mathematics
Choose the equation that matches the graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Provide an appropriate response.Use a graphing calculator to find all real roots of the equation. Round answers to two decimal places, if necessary: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.If f varies jointly as q2 and h, and f = 96 when q = 4 and h = 3, find q when f = 40 and h = 5.
A. 2 B. 4 C. 3 D. 5
Mathematics