Answer:
a = 3
b= -1
c = 5
X = (-b +- sqrt [b^2 - 4ac]) / 2a
X = (--1 +- sqrt (1 - 4*3 * 5)) / 2* 3
x = (1 += sqrt (1 -60)) / 6
x1 = (1 + sqrt (-59)) / 6
x2 = (1 - sqrt (-59)) / 6
Source: http://www.1728.org/quadratc.htm
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
D has a repeating x value. Functions are only supposed to have one input for everyone output. ( no repeating x values)
1,7
2,10
3,5
4,7
5,7 and for the second question the answer is 5 students
Answer:
x=18
Step-by-step explanation:
5/6x=15
5x=90 (both side divide 5 )
x=18