Tag Archives: graphing

SAT Question of the Day Explained – March 26, 2014 – Math, Linear Equations

Today’s SAT question of the day is a math question about graphing lines.  Pay attention, because I have seen this type of question too many times to count!

The question asks us for the equation of a line that is parallel to the x-axis and 4 units above the x-axis.  All of the answer choices are x = an integer or y = an integer.

First, let’s figure out if this line is “x = something” or “y = something”. Continue reading

ACT Question of the Day Explained – February 19, 2014 – Algebra, Linear Equations

Today’s ACT question of the day is secretly asking if you know the meaning of y = mx + b.  We have to figure out which graph looks like y = 3x +1. Yes, you could graph that on your calculator, but if your graph’s scale doesn’t match the scale of the graphs in the test booklet, you might not find the answer that way. Continue reading