exam Maths Puzzle Numerical Ability

ok. i have gotten to x=3(-9 +/-(square root of 71) /all over 10) +3
i need to figure out what x can be. thank you

Read Solution (Total 0)

exam Other Question

Write the equation in either slope-intercept form or standard form:

The vertical line through the point(-45,61)
Solve the system of equations:
{8x-4y=12
{6x-3y=9

A. (-1, 1)
B. Dependent
C. Inconsistent
D. (1, -1)