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
Author Archives: Elizabeth
SAT Question of the Day Explained – February 19, 2014 – Sentence Completion
Today’s SAT question of the day is a sentence completion question about an actor’s performance. This definition sentence tells us that the actor’s performance was “deeply affecting.” Continue reading
ACT Question of the Day Explained – February 18, 2014 – English
Today’s ACT question of the day is an English question from the passage about radio. For more questions form this passage, check out the posts from February 14, February 10, and January 17.
The question asks about underlined section 11:
The RCA executives who created the
powerful NBC network…
SAT Question of the Day Explained – February 18, 2014 – Math
Today’s SAT question of the day is an algebra question that’s rated hard – but I don’t think you’ll agree with the rating!
The question:
If x + 2x is 5 more than y + 2y, then x – y =
Step 1: translation. Continue reading
ACT Question of the Day Explained – February 17, 2014 – Science
Today’s ACT question of the day comes from the same science passage we saw about a week ago.
We are given a table of sediment concentrations at various depths that’s something like this:
Depth (cm) |
Temperature (oC) |
pH | Concentration in sediment (ppm) | |||||
SO42– | S2– | CO2 | Fe3+ | Fe2+ | O2 | |||
0 | 4 | 7.0 | 7.0 | 0.0 | 1.0 | 4.0 | 0.5 | 2.0 |
5 | 5 | 6.5 | 5.0 | 2.0 | 1.5 | 3.0 | 1.5 | 1.0 |
10 | 7 | 6.0 | 3.5 | 3.5 | 2.0 | 2.0 | 2.0 | 0.0 |
15 | 9 | 5.5 | 3.3 | 3.8 | 3.0 | 0.8 | 3.8 | 0.0 |
20 | 10 | 5.0 | 3.0 | 4.0 | 1.0 | 0.5 | 4.0 | 0.0 |
The test maker would like us to tell them which ion and dissolved gas will not be helpful in determining whether a sample was taken from either 15 or 20cm. Continue reading
SAT Question of the Day – February 17, 2014 – Identifying Sentence Errors
Today’s SAT question of the day is an identifying sentence errors question with a classic error.
According to this sentence, Thurgood Marshall is known for his quest to end racial discrimination, his opposition to the death penalty, and he supported free speech and civil liberties. Continue reading
ACT Question of the Day Explained – February 16, 2014 – Reading, Fiction
Today’s ACT question is a new one from the passage about Mrs. Sennett. The question: how do you characterize the relationship between Mrs. Sennett and the narrator? Continue reading
SAT Question of the Day Explained – February 16, 2014 – Sentence Completion
Today’s SAT question of the day is an easy sentence completion, perhaps to atone for yesterday’s hard math question. The focus is on a dictatorship and what it expects of its citizens. Continue reading
ACT Question of the Day Explained – February 15, 2014 – Math, Trapezoids
Today’s ACT question is a flashback to a week ago – working with trapezoids.
SAT Question of the Day Explained – February 15, 2014 – Math, Algebra
Today’s SAT question of the day is a math question that is rated hard. If you work along with me step by step, I think you’ll see that this problem really isn’t so hard after all. In fact, we are even going to discuss two ways to solve it.
Here is the problem: we have a revenue model that is expressed by r(p) = 2,000p – 10p^2. We need to know which of the values in the answer choices will give us the greatest revenue. Continue reading