Algebra

If x ≠ 0, what is the value of (x^a / x^b)^2? (1) a = b. (2) x = 2.

Is x > y? (1) x² > y². (2) x > 0 and y < 0.

If a, b, c are real numbers, is a(b − c) > 0? (1) a > 0 and b > c. (2) ab > ac.

If x, y and z are nonzero numbers is xz = 12 ? (1) x^2*y*z =12xy (2) z/4 =3/x

What is the value of 36,500*1.05^n? (1) n^2 -5n+6 = 0 (2) n − 2 ≠ 0 n − 2 ≠ 0

What is the value of (2t + t - x)/(t - x)? (1) 2t/(t - x) = 3 (2) t - x = 5

Is x^2 equal to xy? (1) x^2 – y^2 = (x + 5)(y - 5) (2) x = y PS21275

What is the value of x? (1) x + y = 7 (2) x - y = 3 - y

If a rope is cut into three pieces of unequal length, what is the length of these pieces of rope? (1) The combined length of the two longer pieces is 12 meters. (2) The combined of the two shorter pieces is 11 meters.

For integers a, b, and c, a/(b-c) = 1. What is the value of (b-c)/b? (1) a/b = 3/5 (2) a and b have no common factors greater than 1

If xyz ≠ 0, what is the value of $\frac{x^4{z}^2}{z^2{y}^2}$ ? (1) y^2 = x^4 (2) x = 2 and y = 4 DS41602.01 OG2020 NEW QUESTION

What is the value of x? (1) 3 + x + y = 14 and 2x + y = 15 (2) 3x + 2y = 12 + 2y

Does x + y = 0 ? (1) xy < 0 (2) x^2 = y^2

If b is an integer, is a 2 + b 2 − − − − − − √ 𝑎 2 + 𝑏 2 an integer? (1) a^2 + b^2 is an integer. (2) a^2 – 3b^2 = 0 DS46402.01

If x √ y =n 𝑥 𝑦 = 𝑛 , what is the value of x? (1) yn = 10 (2) y = 40 and n = 1/4

If x + 2y + 1 = y - x, what is the value of x? (1) y2 = 9 (2) y = 3

If x and y are positive what is the value of x? (1) x = 3.927y (2) y = 2.279

What is the value of x ? (1) -(x + y)= x- y (2) x + y = 2

If 5x + 3y = 17, what is the value of x? (1) x is a positive integer (2) y = 4x

Does the product jkmn equal 1? (1) jk mn =1 𝑗 𝑘 𝑚 𝑛 = 1 (2) j= 1 k 𝑗 = 1 𝑘 and m= 1 n 𝑚 = 1 𝑛