SAT Math Videos – Part 8 (Calculator)

Problem 1 :(3x + 2y)2If the expression above can be written as ax2 + bxy + cy2, where a, b and c are constants, find the value ofa + b + cSolution :

Problem 2 :

What is one possible value of x for which the function g above is undefined?Solution :

Problem 3 :At a certain pizza restaurant, 8 ounces of cheese is enough for 2/3 of a pizza. Given that there are 16 ounces in a pound, how many pizzas can be produced with 12 pounds of cheese?Solution :

Problem 4 : y – 3x ≤ 4y + 2x ≥ 45
In the xy-plane, a point with coordinates (h, k) lies in the solution set of the system of inequalities above. What is the minimum possible value of h?Solution :

Problem 5 :Call center A handle 20% fewer calls than call center B. Call center B handles 20% fewer calls than call center C. If call center A handles 1,200 calls, how many calls does call center C handle?
Solution :

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