What is the slope of a line perpendicular to y = 2x + 3
2 answers:
Answer:
Step-by-step explanation:
Perpendicular slopes are <u>negative reciprocals. </u>
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First, let's find the slope of the line. The equation is:
y=2x+3
This line is in slope-intercept form: y=mx+b. m is the slope and b is the y-intercept. Therefore, 2 is the slope.
Now, find the perpendicular slope.
1. Negate the slope
The slope is 2. Negate the slope, or switch the sign. It becomes -2.
2. Find the reciprocal
To find the reciprocal, switch the numerator and denominator.
The slope -2 is equal to -2/1. Switch the top number and bottom number and the result is -1/2.
The perpendicular slope is -1/2
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Answer:
Yes, he earned a Varsity letter because he played in 61% of the games.
Step-by-step explanation:
To know the percent of games he played out of the total, we can do it by dividing the games he played by the total of games and multiply this by 100% to get the percent of games he played:
We solve:
0.611111*100% = 61.11%
So we know that he earned a letter because he played in 61.11% of the games, more than he needed.