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993 Answered Questions for the topic SAT math

Sat Math Algebra

07/23/16

SAT Math Problem (22)

A portion of the graph of the quadratic equation described below y=f(x) is shownin the xy-plane above. The function g is defined by the equation g(x) = f(x) + b. If the equation g(x) = 0 has... more
Sat Math Algebra

07/23/16

SAT Math Problem (21)

If the expression ((n2-9)/(n2+3)) is equivalent to the expression 1-((k)/(n2+3)) for all values of n, what is the value of k?
Sat Math Trigonometry

07/21/16

SAT Math Problem (20)

If x represents the radian measure of an angle, where 0 <  x <  π/2, and sin x = 5/13, then what is the value of tan(π/2 -x)?   Note: I got so far as realizing that it is a 5,12,13 right... more
Sat Math Algebra

07/21/16

SAT Math Problem (19)

The function g(x) = ax3+bx2+cx+d has zeroes x = -2, 3, 6. If g(0) < 0, which of the following must also be negative?   A. g(-3) B. g(-1) C. g(4) D. g(5)
Sat Math Algebra

07/21/16

SAT Math Problem (18)

If the polynomial P(x) has factors of 12, (x-5), and (x+4), which of the following must also be a factor of P(x)?A. 2x2+8B. 4x2-20C. 6x2-6x-120D. x2-10x+25
Sat Math Trigonometry

07/20/16

SAT Math Problem (17)

If sin x = 3/5 and cos x < 0, then find tan x. (Note: sin2x + cos2x = 1)
Sat Math Algebra

07/20/16

SAT Math Problem (16)

In the United States, 55 million computers, 32 million televisions, and 150 million cellphones were either disposed of or recycled in the past year. If 30% of computers, 20% of televisions, and 10%... more
Sat Math Algebra

07/20/16

SAT Math Problem (15)

The United States' deer population increases 30% every 20 years. If the deer population is x in the year 2000, wha factor of x will the population be in the year 2080?
Sat Math Algebra

07/19/16

SAT Math Problem (14)

If the graph of the equation y = ax2+bx+c passes through the points (0,2), (-6,-70, AND (8,-14), what is the value of a+b+c?
Sat Math Geometry

07/19/16

SAT Math Problem (13)

In the circle O which has a radius of 10, ∠AOB = 2π/5. What is the length of minor arc AB?
Sat Math Algebra

07/18/16

SAT Math Problem (12)

Which of the following lines contains all points equidistant from the points (0,4) and (8,0) in the xy-plane?   A. 2y = -x + 8 B. 2y = x C. y = 2x -6 D. y = -2x   I was able to graph this... more
Sat Math Algebra

07/17/16

SAT Math Problem (11)

An Internet service provider offers three (3) different plans for residential users. Plan A charges users $500 dollars for the first year and $80 per month thereafter. Plan B charges $68 per month.... more

07/17/16

SAT Math Problem (10)

If 0 < x < 2π and 5 cos[x] = sqrt[5], what is the value of (sin[x]/3)3?
Sat Math Trigonometry

07/17/16

SAT Math Problem (9)

For how many values of x between 0 and 2π does sin[3x] = 1/2?
Sat Math Algebra

07/17/16

SAT Math Problem (8)

If n is a positive integer and m = 2n+2 + 2n , what is 2n+3 in terms of m?
Sat Math Geometry Frustum

07/17/16

How does one solve frustum problems?

I recently encountered one in my SAT prep, but I have never formally learned a method of for solving frustum problems successfully. The problem in question involved a picture, but I will describe... more
Sat Math

07/16/16

Find the equation of the two points

(-5, 0) (0,-5)  
Sat Math Algebra

07/15/16

SAT Math Problem (7)

The function f is a quadratic function with zeros at x = 1 and x = 5. The graph of y=f(x) in the xy-plane is a parabola with a vertex at (3,-2). What is the y-intercept of this graph?
Sat Math Algebra

07/15/16

SAT Math Problem (6)

If the polynomial P(x) has factors of 12, (x-5), and (x+4), which of the following must also be afactor of P(x)?   Edit:    I'm so sorry that I forgot the answer choices originally!A. 2x2+8B.... more
Sat Math Algebra

07/13/16

SAT Math Problem (4)

A 40-foot tall arch with a parabolic shape has a line drawn between the bases of the two legs of the arch. If the height above the ground, y, of the arch can be written as the... more
Sat Math Algebra

07/13/16

SAT Math Problem (3)

Avalue = I(1+r/100)t   A savings account follows the model above where the account's current value, Avalue, can be calculated at any time based on the initial account value, I, the percentage... more
Sat Math Algebra

07/13/16

SAT Math Problem (2)

C1 = 640 + 12mh   C2 = 400 + 15mh    Mrs. Jamerson is having all the rooms on the first floor of her house painted. She has received the two quotes show above where C1(h) represents the total... more
Sat Math Algebra

07/12/16

((16+3i)(1+4i))/i

If the expression is rewritten in the form of a-bi where a and b are positive integer constants, what is the remainder when a is divided by b?
Sat Math

04/10/16

Solving Systems Part 3

x+y-z=2 x-y-2z=2 2x+3y+z=9
Sat Math Algebra Sat Prep

04/10/16

Solving Systems Part 2

x+y+z=2x-2y-z=23x+2y+z=2

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