00:01
Okay, so we're answering these questions here.
00:03
How many solutions does a linear inequality in one variable have? it is infinite because if i do something like this, x is greater than equal to five, there's an infinite number of values that are greater than equal to five.
00:15
Solving this, i'm going to add three to both sides.
00:19
So at 2x is less than 8, divide by 2, x is less than 4.
00:24
So that's going to be a right there, which the following is a solution inequality.
00:28
So we have an open circle on 4 and everything greater than that.
00:32
So four is actually not a part of it.
00:33
Anything less than four is not a part of it.
00:35
Eight's the only one that's a solution in here because it's on the solid line.
00:40
Which inequality does this graph, so i kind of already set it.
00:43
Because of the open circle at four, and it's everything to the right, x is greater than four.
00:49
How many solutions does a quadratic inequality have in one variable i have? should be the same thing...