Which expression is equivalent to $$7 \sqrt{45}$$ ?

Which expression is equivalent to $$\frac{1}{3} \cdot (6x^2y)^2 \cdot (2x^3y^4)$$

for all values of x and y where the expression is defined?

Which expression is equivalent to $$\frac{16k^9m^7}{4k^3m^{14}}$$ for all values of $$k$$ and $$m$$ where the expression is defined?

Which function is equivalent to $$f(x) = 6x^2 - 23x + 21$$ ?

A triangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer.

Which expression represents the perimeter of the triangle in units?

Which expression is a factor of $$x^2 + 7x - 30$$ ?

Choose two factors to create an expression equivalent to 4x² − 81.

Select two.

STAAR Format: Move the correct answer to each box. Each answer may be used more than once. Not all answers will be used. 4x² - 81 = ( )( ).

Which relation best represents y as a function of x? 

If f(x) = 3x² − 7 , what is the value of f(4) ?