Problem 1 :
f(x) = ax2 - 15
For the function f above, a is a constant and f(3) = 10. Which of the following is equal to the value of f(5)?
A) f(0)
B) f(-3)
C) f(3)
D) f(-5)
Solution :
Problem 2 :
A certain job can be done in 20 hours by 4 people. How many people are needed to do the same jon in 10 hours?
A) 2
B) 4
A) 8
A) 10
Solution :
Problem 3 :
Which of the following is equivalent to
f(x) = x2 - 6x + 7
A) f(x) = (x + 3)2 + 5
B) f(x) = (x - 3)2 + 2
C) f(x) = (x - 3)2 - 2
D) f(x) = (x - 7)(x + 1)
Solution :
Problem 4 :
If 24x2 - kx + 16 = (3x + 4)(ax -b) for all values of x, where a, b and k are constants, what is the value of k?
A) -44
B) -12
C) 12
D) 44
Solution :
Problem 5 :
In the xy-plane, the equation of line ℓ is x + 3y = 5. If line m is perpendicular to line ℓ, what is a possible equation of line m?
Solution :
Problem 6 :
A) 3
B) 4
C) 5
D) 6
Solution :
SAT Math Practice Videos (Part - 1)
SAT Math Practice Videos (Part - 2)
SAT Math Practice Videos (Part - 3)
SAT Math Practice Videos (Part - 4)
SAT Math Preparation Videos (Part - 1)
SAT Math Preparation Videos (Part - 2)
SAT Math Preparation Videos (Part - 3)
SAT Math Video Solutions (Part - 1)
SAT Math Videos on Exponents (Part - 1)
SAT Math Videos on Exponents (Part - 2)
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