Making p, the subject of formula 3b = 2p - 7, we get
A. p = (3b + 7)⁄2
B. p = 2⁄3b
C. p = 2b + 7⁄3
D. none of above
Related Questions on Chapter 1: Algebraic manipulation & Formulae - Math Mcqs for Grade 7
If we make a the subject of given formula (p + a)⁄5 = 3p we get
A. 12p⁄a
B. a + p⁄5
C. a = 14p
D. a = 15p
Making a the subject of (a⁄b) - (a⁄c) = 1 we get
A. a = b⁄c
B. a = c⁄b
C. a = c + b + 1
D. a = bc⁄(c - b)
Simplifying the expression (m²cx + mc)⁄(m²x² + 2mx + 1) gives us
A. mc⁄(mx + 1)
B. (mx + 1)⁄mc
C. mc + 1⁄m
D. none of above