BJU Algebra 2 Chapter 1 Quiz 1

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Which of the following are rational numbers?

-3.2 The square root of 4 3.0277777....

Simplify 6÷2·3-62÷22-32

-9

Simplify 5x(2x+4)-2(4x-9)

10x^2+12x=18

How many pounds of peanuts costing $1.75/lb should be mixed with raisins costing $2.50/lb to make 3 lb of a mixture that costs $2.00/lb?

2 lb

How many terms does 3xy^2 +4x+4y have?

3

Which equation would be used to find three consecutive even integers whose sum is 78?

3n+6=78

Two trains leave at the same time from stations that are 480 mi apart and travel toward each other on parallel tracks. If the eastbound train travels 10 mi/hr slower than the westbound train and they pass each other 6 hours later, how fast is the westbound train traveling?

45mph

State the degree and classification of the following polynomial. 3xy^3+9xy^2z^2+3

5, trinomial

If x-z=y, then x=y+z.

Addition

Name the property illustrated by the following equation. 3x+(2y+x)=3x+(x+2y)

Commutative Property of Addition

Which of the following sets is closed under the given operation?

Positive odd integers under multiplication

Which of the following is an irrational number?

The square root of 12


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