What is the solution to the equation?4 x squared − 3 equals 77
Choose all answers that are correct.
A.
5 square root of 2
B.
2 square root of 5
C.
− 2 square root of 5
D.
− 5 square root of 2
Answers
Answer 1
Answer:
The answers are B. 2 square root of 5 and C. − 2 square root of 5.
Since √4 could be either -2 or +2, the solutions are:
or 
Since √4 could be either -2 or +2, the solutions are:
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Answers
Since the lines are parallel and you know the slope of 
is -2, you know the slope of line 
will also be -2. You can see on the coordinate grid that line crosses the y-axis at -1. When you piece all of these facts together into slope-intercept form you get = -2x - 1.