___2. Which of the following is the correct English sentence of the expression "×-6=10".
A. A number added to six is ten. B .A number minus six yields ten
C. A number times six givens ten. D. A number divide by six equals ten.
___3. A polynomial having second degree is called___.
A. Linear B. Quadratic C. Cubic D. Quartic
___4. It is refer to an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
A. Monomial B. Binomial C. Trinomial D. Polynomial
___5. Calculate the expression "6z + 4×" for ×=4 and z=5.
A. 28 B. 34 C. 46 D. 50
