Chapter 2
Elementary Algebra · 512 exercises
Problem 49
Use the order of operations to simplify the quantities for the following problems. $$ 3^{2}+7 $$
2 step solution
Problem 49
Simplify using the commutative property of multiplication for the following problems. You need not use the distributive property. $$\left(\frac{1}{2}\right) d\left(\frac{1}{4}\right) e\left(\frac{1}{2}\right) a$$
4 step solution
Problem 49
Is every rational number an integer?
4 step solution
Problem 49
For the following problems, rewrite each phrase using algebraic notation. \((a+b)\) divided by \((a+4)\)
3 step solution
Problem 50
The temperature today in Los Angeles was eighty-two degrees. Represent this temperature by real number.
3 step solution
Problem 50
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. $$ \frac{6^{4}}{6^{3}} $$
4 step solution
Problem 50
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. $$ \left(a b^{3} c^{2}\right)^{5}\left(a^{2} b^{2} c\right)^{2} $$
3 step solution
Problem 50
Use the order of operations to simplify the quantities for the following problems. $$ 4^{3}-18 $$
4 step solution
Problem 50
Can two rational numbers be added together to yield an integer? If so, give an example.
5 step solution
Problem 51
The temperature today in Marbelhead was six degrees below zero. Represent this temperature by real number.
2 step solution
Problem 51
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. $$ \frac{2^{9}}{2^{4}} $$
4 step solution
Problem 51
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. $$ \frac{\left(6 a^{2} b^{8}\right)^{2}}{\left(3 a b^{5}\right)^{2}} $$
4 step solution
Problem 51
Use the order of operations to simplify the quantities for the following problems. $$ 5^{2}+2(40) $$
3 step solution
Problem 51
Simplify using the commutative property of multiplication for the following problems. You need not use the distributive property. $$1(x+2 y)(6+z) 9(3 x+5 y)$$
3 step solution
Problem 51
For the following problems, on the number line, how many units (intervals) are there bet ween? 0 and \(2 ?\)
3 step solution
Problem 51
For the following problems, introduce a variable (any letter will do) and use appropriate algebraic symbols to write the given statement. Five times a number, minus one, equals zero.
4 step solution
Problem 52
On the number line, how many units between -3 and \(2 ?\)
5 step solution
Problem 52
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. $$ \frac{4^{16}}{4^{13}} $$
4 step solution
Problem 52
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. $$ \frac{\left(a^{3} b^{4}\right)^{6}}{\left(a^{4} b^{4}\right)^{3}} $$
3 step solution
Problem 52
Use the order of operations to simplify the quantities for the following problems. $$ 8^{2}+3+5(2+7) $$
5 step solution
Problem 52
For the following problems, use the distributive property to expand the quantities. $$2(y+9)$$
3 step solution
Problem 52
For the following problems, on the number line, how many units (intervals) are there bet ween? -5 and \(0 ?\)
3 step solution
Problem 52
For the following problems, introduce a variable (any letter will do) and use appropriate algebraic symbols to write the given statement. A number divided by six is greater than or equal to forty-four.
3 step solution
Problem 53
On the number line, how many units between -4 and \(0 ?\)
4 step solution
Problem 53
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. $$ \frac{x^{5}}{x^{3}} $$
4 step solution
Problem 53
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. $$ \frac{\left(x^{6} y^{5}\right)^{3}}{\left(x^{2} y^{3}\right)^{5}} $$
5 step solution
Problem 53
Use the order of operations to simplify the quantities for the following problems. $$ 2^{5}+3(8+1) $$
5 step solution
Problem 53
For the following problems, use the distributive property to expand the quantities. $$b(r+5)$$
3 step solution
Problem 53
For the following problems, on the number line, how many units (intervals) are there bet ween? 0 and \(6 ?\)
3 step solution
Problem 53
For the following problems, introduce a variable (any letter will do) and use appropriate algebraic symbols to write the given statement. Sixteen minus twice a number equals five.
2 step solution
Problem 54
\(a+b=b+a\) is an illustration of the ____________ property of addition.
2 step solution
Problem 54
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. $$ \frac{y^{4}}{y^{3}} $$
3 step solution
Problem 54
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. $$ \frac{\left(a^{8} b^{10}\right)^{3}}{\left(a^{7} b^{5}\right)^{3}} $$
2 step solution
Problem 54
Use the order of operations to simplify the quantities for the following problems. $$ 3^{4}+2^{4}(1+5)^{3} $$
4 step solution
Problem 54
For the following problems, use the distributive property to expand the quantities. $$m(u+a)$$
3 step solution
Problem 54
For the following problems, on the number line, how many units (intervals) are there bet ween? -8 and \(0 ?\)
4 step solution
Problem 54
Determine whether the statements for the following problems are true or false. $$6-4(4)(1) \leq 10$$
3 step solution
Problem 55
\(s t=t s\) is an illustration of the ______________ property of ______________.
3 step solution
Problem 55
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. $$ \frac{y^{9}}{y^{4}} $$
3 step solution
Problem 55
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. $$ \frac{\left(m^{5} n^{6} p^{4}\right)^{4}}{\left(m^{4} n^{5} p\right)^{4}} $$
4 step solution
Problem 55
Use the order of operations to simplify the quantities for the following problems. $$ \left(6^{2}-4^{2}\right) \div 5 $$
3 step solution
Problem 55
For the following problems, use the distributive property to expand the quantities. $$k(j+1)$$
3 step solution
Problem 55
For the following problems, on the number line, how many units (intervals) are there bet ween? -3 and \(4 ?\)
4 step solution
Problem 55
Determine whether the statements for the following problems are true or false. $$5(4+2 \cdot 10) \geq 110$$
4 step solution
Problem 56
Use the commutative properties of addition and multiplication to write equivalent expressions for the following problems. $$ y+12 $$
3 step solution
Problem 56
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. $$ \frac{k^{16}}{k^{13}} $$
4 step solution
Problem 56
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. $$ \frac{\left(x^{8} y^{3} z^{2}\right)^{5}}{\left(x^{6} y z\right)^{6}} $$
4 step solution
Problem 56
Use the order of operations to simplify the quantities for the following problems. $$ 2^{2}\left(10-2^{3}\right) $$
3 step solution
Problem 56
For the following problems, use the distributive property to expand the quantities. $$x(2 y+5)$$
3 step solution
Problem 56
For the following problems, on the number line, how many units (intervals) are there bet ween? \(m\) and \(n, m>n ?\)
3 step solution