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Determining the number of x-intercepts and the location of the vertex.

Without drawing the graph of the given equation, determine: (a) how many x-intercepts the parabola has (b) whether its vertex lies above or below the x-axis. y = -x^2 + 2x - 1

Subject:

Math

Topic:

Algebra

Posting ID:

6761

OTA ID:

103300

View Details $1.99 Download Add to Cart

Finding the roots of an equation.

Solve. Leave answers in simplest radical form. x^2 + 8x = -16

Subject:

Math

Topic:

Algebra

Posting ID:

6762

OTA ID:

102846

View Details $1.99 Download Add to Cart

Finding the roots of an equation.

Solve. Leave answers in simplest radical form. 3x^2 = 2x + 5

Subject:

Math

Topic:

Algebra

Posting ID:

6763

OTA ID:

103300

View Details $1.99 Download Add to Cart

Calculating a mathematical model and extrapolating it to find other information.

The distance an object falls is directly proportional to the square of the time it has been falling. After 6 seconds it has fallen 1296 feet. How long will it take to fall 2304 feet?

Subject:

Math

Topic:

Algebra

Posting ID:

6764

OTA ID:

103300

View Details $1.99 Download Add to Cart

Change in variables with direct and inverse proportions.

x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled?

Subject:

Math

Topic:

Algebra

Posting ID:

6765

OTA ID:

103502

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