SCORE:
-Session 1:18/20
-Session 2:15/16
-Session 3:14/18
INCORRECT ANSWERS:
-Session 1
Both were a careless mistake.
-Session 2
Careless Mistake.
-Session 3
Two were careless mistakes.
1. If y is inversely proportional to x and y=15 when x=5, what is the value of y when x=25?
*1/2
*1/3
*3
*5
*75
I set up my equation as y*1/3=x. Then my answer was 75. I thought that the 1/3 was "inverse." What is inverse in this equation?
3. Line m (not shown) passes through the origin and intersects line AB between A and B. What is one possible value of the slope of line m?
First i found the slope of line AO. that was 3/8
. Then I found the slopo of BO which was 0. Then i added them ad divided it by two which was 1.5/4...
For this problem do i just pick any slope less than 3/8 but more than 0?
& I will do one section for writing. I'll let you know my score.
1 comment:
Opal,
Again, you can't make careless mistakes anymore. Not good excuses-- they don't count and you need to get them right so that your score is good enough. You're already breaking 700 with performances like this, for the record. And you're breaking 760 with performances like this when you don't make careless mistakes. Make them less frequently and I am confident you will be good on math.
1) You need to understand proportional and inverse proportional relationships for this question. It comes up on the SAT.
Proportional (or direct) relationships can be expressed as x/Y=B where B is the constant
Inverse (or inversely proportional or indirect) relationships can be characterized as X*Y=B, where B is the constant.
Another way to think about it is that in a proportional relationship, as one number goes up, so does the other. But in an inverse relationship, as one number goes up, the other goes down.
X*Y=B
5*15=75
Then if X increases to 25, then for the equation to hold, 25*Y=75, or Y=3
2) For this problem do i just pick any slope less than 3/8 but more than 0?
YES
thats all.
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