# Tutor profile: Ben H.

## Questions

### Subject: Spanish

Correct the following sentence: Bueñas trades Señor; yo Quiero qué me hace un favor.

The correct sentence would be: Bueñas tardes Señor; yo quiero que me haga un favor. The expression of a Wish, along with two subjects ("Yo" and "Señor") with the relative pronoun, "que", necessitates the use of the subjunctive "haga". Remember that a Wish, Emotion, Impersonal Expression, Recommendation, Doubt, and the phrase Ojalá (commonly remembered by the acronym W.E.I.R.D.O.) Other examples would include: Wish: Quiero que me ayudes. I want you to help me. Emotion Me alegra que me ayudes. I am happy that you help me. Impersonal Expression Es importante que me ayudes. It is important that you help me. Recommendation Digo que me ayudes. I say that you help me. Ojalá Ojalá que me ayudes. May God grant that you help me.

### Subject: SAT

Which of the following is not a potential solution for X in the following equation. -4x + 2 < 12? A) 3 B) 1 C) -1 D) -3

The answer is D. We can treat this question as a mathematical formula, bearing in mind that the key Boolean figure is "<". *Please note, the question is looking for what is NOT a potential solution; this is a common way for students to lose points! To solve, first, we will subtract 2 from each side, yielding the equation: -4X<10 At this point, we can divide each side by -4. The key points are to remember: 1) This is -4, not 4 2) When dividing by a negative number, you must change the "<" to ">" The result is between -2 and -3. (In actuality, the result is X > -2.5 but this is actually unimportant to solving the equation. Since we know that X must be greater than some number between -2 and -3, and answer D) -3 above is the only number less than that, we can surmise that D) -3 must be the answer. Importantly, we can quickly check by substituting it into the equation: Is -4(-3) + 2 < 12? Is -4*-3 + 2 < 12? Is 12+2<12? 14 is NOT less than 12, so D) -3 is the correct answer.

### Subject: Microeconomics

Explain the difference between an increase in quantity demanded, and an increase in demand.

An increase in quantity demanded is a shift in the demand curve, temporarily causing upward pressures on prices but NOT changing the overall equilibrium of the market. An increase in the demand, on the other hand, is a shift in the demand curve to the right, causing a shift in the market equilibrium (a permanent increase in both the quantity and price of a market good barring any other market factors).

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