30 POINTS FOR THIS ONE (PLZ ANSWER AS A LIST)

1.

A term that has no variable factor is a(n) .

a)coefficient

b)constant

c)equation

d)like terms

2.

In an expression, have exactly the same variable factors.

a)coefficient

b)constant

c)equation

d)like terms

3.

A statement that two expressions are equal is a(n) .

a)coefficient

b)constant

c)equation

d)like terms

4.

When a term has a variable, the numerical factor is called the .

a)coefficient

b)constant

c)equation

d)like terms

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Which of the following is true for the relation f(x)=2x^2+1