shuffle(randFromArray( [["x", "y"], ["a", "b"], ["c", "d"]])) randRange( 1, 10 ) randRange( 1, 10 ) randRangeNonZero(-1, 1) * randRange(3, 10) randRangeNonZero(-1, 1) * randRange(3, 10) randRangeNonZero(-1, 1) * randRange(3, 10)
(A * A_COEFF) + (B * B_COEFF) + CONSTANT

Evaluate the following expression when AN = A and BN = B.

A_COEFFAN{} + B_COEFFBN{} + CONSTANT

SOLUTION

$(".var1").addClass("hint_pink"); $(".var2").addClass("hint_blue");

Plug in A for \pink{AN} and B for \blue{BN}.

\qquad=\quadA_COEFF\pink{(A)} + B_COEFF\blue{(B)} + CONSTANT

\qquad=\quadA_COEFF * A + B_COEFF * B + CONSTANT

\qquad=\quadSOLUTION

(A * A * A_COEFF) + (B * B_COEFF) + CONSTANT

plus( A_COEFF + AN + "^2", B_COEFF + BN, CONSTANT )

A_COEFFAN{}^2 + B_COEFFBN{} + CONSTANT

$(".var1").addClass("hint_pink"); $(".var2").addClass("hint_blue");

Plug in A for \pink{AN} and B for \blue{BN}.

\qquad=\quadA_COEFF\pink{(A)}^2 + B_COEFF\blue{(B)} + CONSTANT

Remember order of operations. Evaluate the exponent before you multiply.

\qquad=\quadA_COEFF(A * A) + B_COEFF\blue{(B)} + CONSTANT

\qquad=\quadA_COEFF * A * A + B_COEFF * B + CONSTANT

\qquad=\quadSOLUTION