exam
Maths Puzzle
Numerical Ability
Solve system using the subsitution method"
x^2+3y=25
x+y=7
Read Solution (Total 0)
exam Other Question
Solve the equation for x:
x^2 + 4x + 4 = 7
(x + 2)(x + 2) = 7
(x + 2)^2 = 7
x + 2 = +/- radical 7
x = -2 +/- radical 7
Is this correct?
Simplify and match your result to the correct answer below.
7 2
___ - ___ =4
w 13