SAT MATH PREPARATION VIDEOS
(Part - 1)

Problem 1 :

If Claire paid k dollars for a computer that was only 20 dollars more than half the original price, what was the original price, in dollars?

A)  k + 20

B)  k - 40

C)  2k - 20

D)  2k - 40

Solution :

Problem 2 :

Jenny is in school swim team and has swim practice m hours in the morning and p hours in the evening each day. The schedule is the same each day. If she swims k hours for five days, which of the following is the expression for m?

A)  ⁽ᵏ ⁻ ᵖ⁾⁄₅

B)  ⁽ᵏ ⁻ ⁵ᵖ⁾⁄₅

C)  k - 5p

D)  5(k - p)

Solution :

Problem 3 :

satcircles.png

In the figure above, each of two circles has the same center O. If OP : OQ = 3 : 5 and the area of the shaded region is 40, what is the area of the larger circle?

Solution :

Problem 4 :

f(x) = ax2 + bx + c

In the function f above, f(0) = 10 and f(-1) = 18. What is the value of (a - b)?

Solution :

Problem 5 :

sattriangles.png

In the figure above, D and E are the midpoints of AB and BC respectively. If the area of the shaded is 42, what is the area of triangle ABC?

Solution :

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