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Find the value of x by using the exterior angle theorem.

B

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

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).

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?