Write the rule for finding the reflection of a point across the x-axis. use this rule to find the coordinates for the reflection of point (-4,3) across the x-axis

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Find the values of y: 3y^3(y^2+ 2/3y)=0

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12