Radical Expression
vickii
expressions.docx1. What is algebra? Based on other experiences you may have had, what are we really studying when we study algebra? Give me 2 definitions and 2 examples!
2. Why does mathematics use a specialized vocabulary? How is it similar or different from other disciplines that use a specialized vocabulary such as law or medicine? Give me 2 definitions and 2 examples!
3. Simplify the following rational expression. HintX
·
·
·
·
4. Select the product.
·
·
·
·
5. Select the quotient:
·
·
·
·
6. Select the difference.
·
·
·
·
7. Select the sum:
·
·
·
·
8. Select the value of that is a solution for this equation:
·
·
·
·
9. An object 7.2 feet tall casts a shadow that is 21.6 feet long. How long in feet would the shadow be for an object which is 16.8 feet tall?
·
2.4 feet
·
5.6 feet
·
31.2 feet
·
50.4 feet
10. Simplify the expression:
·
·
·
·
11. Simplify the expression. (5 - ) + 2
·
6
·
7 - 3
·
5 + 3
·
2 + 5
12. Simplify the expression:
·
·
·
·
13.
On a recent test, Jeremy wrote the equation . Which of the following statements is correct about the equation?
·
The equation is sometimes true when x=4.
·
The equation is never true
·
The equation is always true, except when x=4.
·
The equation is always true.
