Unit 9 Test

Front

What is the solution to the equation x + 25 = 150?

Back

125

Front

Back

The graph opens downwards and has a vertex at (4, 3).

Front

What is the voltage of a speaker with 600 watts of power if v = 6√p?

Back

146.97 volts

Front

What is the solution to the equation 2x - 5 = 339?

Back

344

Front

Back

(0, 4)

Front

What is the formula for the voltage of an audio system's speaker?

Back

v = 6√p, where p is the power in watts.

Front

What does the y-intercept represent in a linear function?

Back

The point where the graph intersects the y-axis.

Front

How do you find the y-intercept of a function given in the form y = mx + b?

Back

Set x = 0 and solve for y.

Front

What is the significance of the vertex in a quadratic function?

Back

It represents the maximum or minimum point of the parabola.

Front

What is the general form of a quadratic equation?

Back

y = ax^2 + bx + c.