IM2 MIDTERM REVIEW

IM2 MIDTERM REVIEW

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for calculating the future value of an investment compounded monthly?

Back

The future value (FV) can be calculated using the formula: FV = P(1 + r/n)^(nt), where P is the principal amount, r is the annual interest rate (decimal), n is the number of times interest is compounded per year, and t is the number of years.

2.

FLASHCARD QUESTION

Front

What is the product of the binomials (a + b)(a - b)?

Back

The product is a^2 - b^2, which is known as the difference of squares.

3.

FLASHCARD QUESTION

Front

How do you solve a quadratic equation by factoring?

Back

To solve a quadratic equation by factoring, express the equation in the form ax^2 + bx + c = 0, then factor it into the form (px + q)(rx + s) = 0, and set each factor equal to zero to find the values of x.

4.

FLASHCARD QUESTION

Front

What is the factored form of the quadratic expression 3x^2 - 5x - 12?

Back

The factored form is (3x + 4)(x - 3).

5.

FLASHCARD QUESTION

Front

What is the product of (3x^2 - 4y)(3x^2 + 4y)?

Back

The product is 9x^4 - 16y^2, which is also a difference of squares.

6.

FLASHCARD QUESTION

Front

What is the formula for compound interest?

Back

The formula for compound interest is A = P(1 + r/n)^(nt), where A is the amount of money accumulated after n years, including interest, P is the principal amount, r is the annual interest rate (decimal), n is the number of times that interest is compounded per year, and t is the number of years.

7.

FLASHCARD QUESTION

Front

What does it mean to factor a polynomial?

Back

Factoring a polynomial means expressing it as a product of its factors, which are polynomials of lower degrees.

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