Algebra EOC A4C

Add the following polynomials:
(x³-2x²+3)+(2x³+3x²-1)

• 3x³-2x²+3x+2

• 3x³+x²+2

• 3x³-5x²-2

• 3x³-x²+1

Subtract the following polynomials:
(3x²-3x+2)-(x²-2x+1)

• 2x²+x+1

• 2x²-5x+3

• 2x²-x+1

• 4x²-5x+3

Solve for x:

• x = yb - v

• x = by - v

• x = by + v

At most and No more than are both clue words for...

• <

• >

• ≤

• ≥

Solve the system of inequalities by graphing.

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Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x

• y=6(1+14)^x

• y=6(1.14)^x

• y=6(0.86)^x

The graph of a quadratic function is shown on the grid. Which equations best represents the axis of symmetry?

• y = 6

• x = 2

• y = 4

• x = 0

The graph of f(x)= x² was transformed to create the graph of g(x) = (x - 7.5)². Which of these describes the transformation?

• A horizontal shift to the right 7.5 units

• A horizontal shift to the left 7.5 units

• A vertical shift down 56.25 units

• A vertical shift up 56.25 units

A projectile is launched into the air from the ground. The table shows the height of the projectile, h(t), at different times. Based on the table, which function can best be used to model this situation?

• h(t)= 99t² + 858

• h(t)= -4.9t² + 295t + 0.6

• h(t)= -4.9t² +295t + 2

• h(t)= 99t² + 1,470.3

The graph of part of linear function is g shown on the grid. Which inequality best represents the domain of the part shown?

• -9 < x ≤ 2

• -9 ≤ x < 2

• -6 < g(x) ≤ 3

• -6 ≤ g(x) < 3