Write the vector (-7,- 5) as a linear combination of the unit vectors i and j. (-7,-5) =- 7i - 5j (Type your answer in the form ai + bj.)

Write a vector equation LEHEHEHEI y+ that is equivalent to the system of equations: -5 x 6 x + 2x + x+ 2 y 6 y 4 y T I + 5 z = 3 z 8 z = = -4 2 2 =

Determine if the pairs of vectors below are "parallel", "orthogonal", or "neither". a = (-5,5,-5) and b = (-10, 10, 20) are neither a = (-5,5,-5) and b = (-10, 10, -10) are neither a = (-5,5,-5) and b = (25, -25, 25) are neither

Calculate v x w = (u₁, U2, U3). v = (9,5,6) w = (-8, 4, -7) (Give your answer using component form or standard basis vectors. Express numbers in exact form. Use symbolic notation and fractions where needed.) VX W = 15i + 76j - 59k Incorrect