Abeka 9th Grade Algebra 1 Test 1

How many terms are in the expression 3x+5a/2y?

B. 2

In the expression 2y − 7z³, which of the following is an exponent?

C. 3

In the expression 6x² + 5, which of the following correctly identifies the 6?

B. coefficient

Which notation best represents the relationship between the two numbers plotted on the number line below?

D. -1 < 5

In the expression [1 + 7 · (2 − 9)] ÷ 3 + 12, which of the following operations is done first?

A. 2 − 9

What is the opposite of 6?

C. -6

What type of number is √23?

B. irrational

Which of the following is true for multiplying two signed numbers with opposite signs?

D. The product is negative.

an unknown value

variable

natural numbers and zero

whole numbers

a number's distance from zero

absolute value

quantities combined by only addition or subtraction

terms

The sum of x and 3 is divided by 2

x + 3/2 OR (x + 3) ÷ 2

Half of g multiplied by t squared is equal to d

1/2gt²=d

The length l of a rectangle is equal to its area A divided by its width w.

l=A/w

A piece of yarn 29 inches long is cut into two parts. If one of the resulting pieces is m inches long, represent the length of the other piece.

29-m

The perimeter of a rectangle is twice the sum of its length l and width w.

P=2(l+w) OR P=2l+2w

The circumference C of a circle is equal to the product of π and the diameter d.

C=πd

The gross profit GP of an item equals the selling price p minus the cost of 2 dollars for producing the item.

GP=p-2

4 + 3² ÷ (-1)(4)(-2) − 1

75

-3²/2³+1

-1

5/12 + 1/12 − 1/4

1/4

3x + 2y + 5x − y

8x+y

8mn + 10 − 2(3mn − 1) + 2mn − 5 + 8

4mn+15

a + [a + b − a − (2a − b )]

-a+2b

If x = -3 and y = 5, find the value of the expression 2x² + 4y − 5.

33

If a = -2, find the value of the expression | 2a + 5 |.

1

Phil drove for 5 hours at 65 miles per hour. How far did he drive if d = rt ?

325mi.

Find the value of A in the formula A = 1/2h (a + b ) when h = 6 in., a = 12 in., and b = 8 in.

60sq.in.

(a + b )c = ac + bc

distributive property

r (s + t ) = (s + t )r

commutative property

3/5(2/5)=3/5

identity property

x + (y + z ) = (x + y ) + z

associative property

3x + 0 = 3x

identity property