The equation of line M shown above is . Given that angle A is the acute angle formed by the intersection of line M and the y-axis, which expression could be used to find the measure of angle A?
A.
B.
C.
D.
Answer:C
The equation of line M shown above is . Given that angle A is the acute angle formed by the intersection of line M and the y-axis, which expression could be used to find the measure of angle A?
A. B. C. D.
Explanation: C