Algebra Unit 4 Mid

What is the y-intercept for f(x)=2x²+8x-3

• -3

• 2

• 8

• 7

Write the equation for the axis of symmetry for f(x)=2x²+8x-3

• x=2

• x=-2

• x=8

• y=3

Which equation has the axis of symmetry x=5?

• f(x)=x²-5x+3

• f(x)=x²-10x+7

• f(x)=x²+10x-3

• f(x)=x²+5x+2

Determine whether f(x)=5-x²+2x has a maximum or a minimum value. Then find the maximum or minimum value. NOTE: you must make 2 correct selections to get this correct.

• Maximum

• Minimum

• 6

• -6

Solve 2x²+5x-3=0 by factoring.

• {3, - 1/2}

• {-1, 6}

• {-3, 1/2}

• {1, -6}

Simplify and write in standard form.

• 4y² - 5x - 3y + 9

• 4y² - 5x - 3y - 9

• 4y² - x - 3y + 9

• - 5x - 3y - 4y² +9

Use the graph of the polynomial function to identify its key characteristics & to write its function.

• LC: positive Function degree: odd

  Zeros: -1, 3 Standard form: x³ - 5x² + 3x + 9

• LC: negative Function degree: even

  Zeros: -1 3 Standard form: x² + 2x - 3

• LC: positive Function degree: even

  Zeros: 1, -3, Standard form: x^{3 +} 5x² + 3x - 9

• LC: positive Function degree: odd

  Zeros: -1, 3 Standard form: x³ - x² - 5x - 3

Classify

• Monomial

• Binomial

• Trinomial

• Polynomial

Which polynomial is written in standard form?

• 8x - 11x²

• 4x³ + 7x - 9

• 12 + 4x

• 13x + 7x² - 9x³ + 12

Divide the polynomial by the monomial.

• 2x⁸-8x²-28x

• 2x⁸-2x²-7x

• 8x⁷-8x-28x

• 2x⁷ -2x -7