The discriminant is part of the quadratic formula which is b²-4ac.
So, in this case,
b²-4ac = (-9)(-9) - 4(7)(-8) = 305
1.9
2.11
3.13
4.15
5.17
6.19
7.21
8.23
9.25
Answer:
y=2x-10
2y=x-8
since the second equation equals 2y and the first is y that means the first equation times 2 equals the other one
4x-20=x-8
-x
3x-20=-8
+20
3x=12
x=4
then lets just plug it in
2y=4-8
simplefy
2y=-4
y=-2
(4,-2)
Hope This Helps!!!
Answer:
Simply count 4 × 6 =28
Step-by-step explanation:
Answer:
d
Step-by-step explanation:d
