Solve the quadratic equation: $$8n^2 - 7n = -10$$ using the quadratic formula.

The solutions are $$\left\{\frac{7 \pm i\sqrt{271}}{16}\right\}$$ .

What is the condition for two matrices to be multiplied?

The number of columns in the first matrix must equal the number of rows in the second matrix.

What is the formula for the area of a triangle?

The area of a triangle is given by $$A = \frac{1}{2} \times base \times height$$ .

What is the vertex form of a quadratic function?

The vertex form is $$y = a(x - h)^2 + k$$ , where (h, k) is the vertex.

What is the relationship between the roots and the coefficients of a quadratic equation?

For a quadratic equation $$ax^2 + bx + c = 0$$ , the sum of the roots is $$-\frac{b}{a}$$ and the product of the roots is $$\frac{c}{a}$$ .

A matrix is a rectangular array of numbers arranged in rows and columns.

What is the purpose of the quadratic formula?

The quadratic formula is used to find the roots of a quadratic equation.

What does it mean for a matrix to be invertible?

A matrix is invertible if there exists another matrix such that their product is the identity matrix.

Adv. Algebra Final Exam Review Part I Flashcards

Student preview

14 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

2.

FLASHCARD QUESTION

Front

What must be true in order to ADD two matrices?

Back

The dimensions of the matrices must be equal.

Tags

CCSS.HSN.VM.C.8

3.

FLASHCARD QUESTION

Front

What is the Zc for a 90% confidence interval?

Back

The Zc value is 1.645.

Tags

CCSS.HSS.ID.A.4

4.

FLASHCARD QUESTION

Front

What is the result of multiplying the matrices B and A?

Back

Tags

CCSS.HSN.VM.C.8

5.

FLASHCARD QUESTION

Front

Define a quadratic equation.

Back

6.

FLASHCARD QUESTION

Front

What is the quadratic formula?

Back

Tags

CCSS.HSA-REI.B.4B

7.

FLASHCARD QUESTION

Front

What is the determinant of a 2x2 matrix?

Back

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