Chapter 2
Elementary Algebra · 512 exercises
Problem 41
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ 4 y^{4} \cdot 5 y^{6} $$
4 step solution
Problem 41
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(9 x y^{3}\right)^{0} $$
3 step solution
Problem 41
For the following problems, expand the quantities so that no exponents appear. $$ 10 a^{3} b^{2}(3 c)^{2} $$
2 step solution
Problem 41
Use the commutative property of addition and multiplication to write expressions for an equal number for the following problems. You need not perform any calculations. $$\square \cdot[\mathrm{U}+25 \mathrm{CB}]$$
4 step solution
Problem 41
For the following problems, what numbers can replace \(x\) so that the following statements are true? \(-1 \leq x \leq 5 \quad x\) an int eger
3 step solution
Problem 41
For the following problems, rewrite each phrase using algebraic notation. Ten minus three
4 step solution
Problem 42
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ 2 a^{3} b^{2} \cdot 3 a b $$
3 step solution
Problem 42
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(\frac{1}{2} f^{2} r^{6} s^{5}\right)^{4} $$
3 step solution
Problem 42
For the following problems, expand the quantities so that no exponents appear. $$ (a+10)^{2}\left(a^{2}+10\right)^{2} $$
5 step solution
Problem 42
Use the commutative property of addition and multiplication to write expressions for an equal number for the following problems. You need not perform any calculations.
4 step solution
Problem 42
For the following problems, what numbers can replace \(x\) so that the following
statements are true?
\(-7
3 step solution
Problem 42
For the following problems, rewrite each phrase using algebraic notation. \(x\) plus sixteen
2 step solution
Problem 43
For the following problems, write the appropriate relation symbol \((=,<,>)\). $$ -8 \quad-5 $$
4 step solution
Problem 43
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ 12 x y^{3} z^{2} \cdot 4 x^{2} y^{2} z \cdot 3 x $$
4 step solution
Problem 43
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(\frac{1}{8} c^{10} d^{8} e^{4} f^{9}\right)^{2} $$
4 step solution
Problem 43
For the following problems, expand the quantities so that no exponents appear. $$ \left(x^{2}-y^{2}\right)\left(x^{2}+y^{2}\right) $$
4 step solution
Problem 43
Simplify using the commutative property of multiplication for the following problems. You need not use the distributive property. $$9 x 2 y$$
4 step solution
Problem 43
For the following problems, what numbers can replace \(x\) so that the following statements are true? \(-3 \leq x \leq 2, \quad x\) a natural number
3 step solution
Problem 43
For the following problems, rewrite each phrase using algebraic notation. 51 divided by \(a\)
2 step solution
Problem 44
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ (3 a b)\left(2 a^{2} b\right) $$
3 step solution
Problem 44
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(\frac{3}{5} a^{3} b^{5} c^{10}\right)^{3} $$
5 step solution
Problem 44
For the following problems, select a number (or numbers) to show that \((5 x)^{2}\) is not generally equal to \(5 x^{2}\).
4 step solution
Problem 44
For the following problems, rewrite each phrase using algebraic notation. 81 times \(x\)
2 step solution
Problem 45
Is there a smallest two digit integer? If so, what is it?
2 step solution
Problem 45
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ \left(4 x^{2}\right)\left(8 x y^{3}\right) $$
3 step solution
Problem 45
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ (x y)^{4}\left(x^{2} y^{4}\right) $$
4 step solution
Problem 45
For the following problems, select a number (or numbers) to show that \((7 x)^{2}\) is not generally equal to \(7 x^{2}\).
6 step solution
Problem 45
For the following problems, what numbers can replace \(x\) so that the following statements are true? \(-5 \leq x<5, \quad x\) a whole number
3 step solution
Problem 45
For the following problems, rewrite each phrase using algebraic notation. 3 times \((x+y)\)
4 step solution
Problem 46
Is there a smallest two digit real number? If so, what is it?
7 step solution
Problem 46
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ (2 x y)(3 y)\left(4 x^{2} y^{5}\right) $$
3 step solution
Problem 46
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(2 a^{2}\right)^{4}\left(3 a^{5}\right)^{2} $$
4 step solution
Problem 46
For the following problems, select a number (or numbers) to show that \((a+b)^{2}\) is not generally equal to \(a^{2}+b^{2}\).
6 step solution
Problem 46
Simplify using the commutative property of multiplication for the following problems. You need not use the distributive property. $$5 x 10 y 5 z$$
5 step solution
Problem 46
The temperature in the desert today was ninety-five degrees. Represent this temperature by a rational number.
2 step solution
Problem 46
For the following problems, rewrite each phrase using algebraic notation. \((x+b)\) times \((x+7)\)
4 step solution
Problem 47
For the following problems, what integers can replace \(x\) so that the statements are true? $$ 4 \leq x \leq 7 $$
3 step solution
Problem 47
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ \left(\frac{1}{4} a^{2} b^{4}\right) \quad\left(\frac{1}{2} b^{4}\right) $$
3 step solution
Problem 47
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(a^{2} b^{3}\right)^{3}\left(a^{3} b^{3}\right)^{4} $$
4 step solution
Problem 47
For the following problems, select a number (or numbers) to show that For what real number is \((6 a)^{2}\) equal to \(6 a^{2} ?\)
3 step solution
Problem 47
The temperature today in Colorado Springs was eight degrees below zero. Represent this temperat ure with a real number.
2 step solution
Problem 47
For the following problems, rewrite each phrase using algebraic notation. 3 times \(x\) times \(y\)
2 step solution
Problem 48
For the following problems, what integers can replace \(x\) so that the statements are true? $$ -3 \leq x<1 $$
3 step solution
Problem 48
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ \left(\frac{3}{8}\right)\left(\frac{16}{21} x^{2} y^{3}\right)\left(x^{3} y^{2}\right) $$
4 step solution
Problem 48
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(h^{3} k^{5}\right)^{2}\left(h^{2} k^{4}\right)^{3} $$
2 step solution
Problem 48
Is every integer a rational number?
4 step solution
Problem 48
For the following problems, rewrite each phrase using algebraic notation. \(x\) divided by \((7\) times \(b)\)
4 step solution
Problem 49
For the following problems, what integers can replace \(x\) so that the
statements are true?
$$
-3
2 step solution
Problem 49
Use the product rule and quotient rule of exponents to simplify the following problems. Assume that all bases are nonzero and that all exponents are whole numbers. $$ \frac{8^{5}}{8^{3}} $$
4 step solution
Problem 49
Use the power rules for exponents to simplify the following problems. Assume that all bases are nonzero and that all variable exponents are natural numbers. $$ \left(x^{4} y^{3} z\right)^{4}\left(x^{5} y z^{2}\right)^{2} $$
4 step solution