# Pre-algebra Final Exam Practice

7 Questions | Total Attempts: 120  Settings  Complete these practice questions prior to the final exam.

• 1.
Write the prime factorization of the following number in exponential form.80
• 2.
Simplify the fraction (-30rs/50rt)
• A.

(-3rs/5rt)

• B.

(3/5)

• C.

(-3s/5t)

• D.

(-3/5rst)

• E.

(-30rs/50rt)

• 3.
Identify the incorrect step in the student's thinking while solving this question.(11x/126) - (-8x/126)
• A.

When subtracting fractions you must have a common denominator.

• B.

Only the numerator will be subtracted. The denominator will stay the same.

• C.

The calculation in the numerator should be 11x - -8x = 19x

• D.

The calculation in the numerator should be 11z - -8x = 3x

• E.

Before the equation is complete, you will need to check to see if your final answer should be reduced.

• 4.
• 5.
Which concept will NOT be used when solving the following question:(m/20) = (3/5)
• A.

Cross multiplication

• B.

Reducing or division

• C.

Rules of proportions

• D.

Combining like terms

• 6.
Watch the following video.  Then answer: Why do you need to calculate the circumference of the circle in order to find the surface area of a cylinder?
• A.

The circumference is used to find the area of a circle.

• B.

The circumference is not needed to find the surface area of a cylinder.

• C.

The circumference corresponds to the length of one side of the rectangular body of the cylinder.

• D.

The circumference multiplied by the height will give you the area of the rectangle.

• E.

Both C and D are correct.

• 7.
Identify the inequality of the graph below.
• A.

Y = -2x + 3

• B.

Y > -2x + 3

• C.

Y < -2x +3

• D.

None of the above.

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