SSS1 Maths Quiz 5.5 – Substitution

Find the value of 3x + 5y – 2z when x = 4, y = -2, and z = 1

Evaluate 2m – 4n + p when m = 3, n = 1, and p = -5

Find the value of (a + b)/2 when a = 6 and b = 8

Evaluate 5x^2 – 2y if x = 2 and y = 3

Find the value of 3pq – r^2 if p = -1, q = 4, and r = -2

Evaluate (x – y)(x + y) if x = 5 and y = -2

Find the value of (2m + n)/(m – 2n) if m = 4 and n = 1

Evaluate 3a^2 – 2ab + b^2 if a = -2 and b = 3

Find the value of x^3 + 2xy – y^2 if x = 2 and y = -1

Evaluate (p^2 – q^2)/(p + q) if p = 4 and q = 2

Evaluate (3x + y)/(x – 2) if x = 3 and y = 5

Find the value of (m – 2n)/(2n + 1) if m = 6 and n = -1

Evaluate (2a + b^2)/(b – 1) if a = -3 and b = 2

Find the value of (x^2 – 3y)/(2y + 5) if x = 1 and y = -2

Evaluate (p + 2q)/(q – 1) if p = 2 and q = 3

Evaluate 3abc/(a + c) if a = 2, b = -1, and c = 4

Find the value of x^2y – 3xy^2 if x = -2 and y = 1

Evaluate (mn + p^2)/(2m – n) if m = 3, n = 2, and p = 1

Find the value of (2x^2 – 3z)/(x + 2z) if x = 1 and z = -3

Evaluate 5xyz/(y – z) if x = -1, y = 4, and z = 2