Answer:
to graph this all you need to do is plot the y-intercerpt which is 9 in this case. then use the slop (-2) which means go two down from the y intercept and one to the right. all you need to do then is connect the points with a line.
Answer:
The answer to your question is:
Step-by-step explanation:
24.-
y = 5x - 6
x + 5y = 5 5y = - x - 5 y = -(1/5) x - 1
Because of the slopes "5" and "-1/5" the lines are perpendicular.
25.- 2x + y = 10 y = -2x + 10 slope = -2
-6x - 3y = 3 -3y = 6x + 3 y = -2x - 1 slope = -2
x - 2y = 8 -2y = - x + 8 y = (1/2) x - 4 slope = 1/2
Lines a and b are parallels and perpendicular to c
25c(quarters) x 12 = $3.00
If theres 28 coins, and 12 are quarters, then that means theres 16 coins left to use for dimes.
10c(dimes) x 16 = $1.60
$3.00 + $1.60 = $4.60
Therefore, there are 12 quarters and 16 dimes.
Hope this helps! Feel free to ask any questions.
Every angle of an equilateral triangle is 60°
Answer:
C) No, their slopes are not opposite reciprocals.
Step-by-step explanation:
First we find the slopes.
slope of PQ = (3 - 0)/(7 - 11) = 3/(-4) = -3/4
slope of RS = (-3 - 1)/(6 - 3) = -4/3
product of the slopes = (-3/4) * (-4/3) = 1
The slopes are reciprocals, but they are not opposite reciprocals, so the lines are not perpendicular.