Question 1

Solve using the multiplication principle.
-$-4 x<-\frac{1}{5}$

Accepted Answer

A)  $\left\{\mathrm{x} \mid \mathrm{x}-\frac{1}{20}\right\}$ 
C)  $\left\{x \mid x\frac{1}{20}\right\}$ 
A)  $\left\{\mathrm{x} \mid \mathrm{x}-\frac{1}{20}\right\}$ 
C)  $\left\{x \mid x\frac{1}{20}\right\}$

Question 2

Solve the problem.
-A chemical solution contains $4 \%$ salt. How much salt is in $1 \mathrm{~mL}$ of solution?

Accepted Answer

A)  $0.4 \mathrm{~mL}$ 
B)  $2.5 \mathrm{~mL}$ 
C)  $0.04 \mathrm{~mL}$ 
D)  $25 \mathrm{~mL}$ 
A)  $0.4 \mathrm{~mL}$ 
B)  $2.5 \mathrm{~mL}$ 
C)  $0.04 \mathrm{~mL}$ 
D)  $25 \mathrm{~mL}$

Question 3

Decide if the given number is a solution to the given equation.
-$\frac{x}{8}=5 ; 40$

Accepted Answer

A) True 
 B)False

Question 4

Provide an appropriate response.
-What value of $K$ makes this equation equivalent to $x=3$ ?
$\frac{9}{\mathrm{~K}+\mathrm{x}}=3$

Accepted Answer

The answer of Provide an appropriate response.
-What value of $K$...

Question 5

Solve the problem.
-Brand X copier advertises that its copiers run $18 \%$ longer between service calls than its competitor. If Brand X copiers run 66,600 copies between service calls, how many copies would the competitor run (to the nearest copy)?

Accepted Answer

A)  54,612 copies 
B)  78,588 copies 
C)  36,593 copies 
D)  56,441 copies 
A)  54,612 copies 
B)  78,588 copies 
C)  36,593 copies 
D)  56,441 copies

Solve using the multiplication principle. - $-4 x<-\frac{1}{5}$

Solve the problem. -A chemical solution contains $4 \%$ salt. How much salt is in $1 \mathrm{~mL}$ of solution?

Decide if the given number is a solution to the given equation. - $\frac{x}{8}=5 ; 40$

Provide an appropriate response. -What value of $K$ makes this equation equivalent to $x=3$ ? $\frac{9}{\mathrm{~K}+\mathrm{x}}=3$

Solve the problem. -Brand X copier advertises that its copiers run $18 \%$ longer between service calls than its competitor. If Brand X copiers run 66,600 copies between service calls, how many copies would the competitor run (to the nearest copy)?

Introduction to Real Numbers and Algebraic Expressions

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

Radical Expressions and Equations

Quadratic Equations

Equations of Lines and Simplifying Radical Expressions

Filters

Exam 2: Solving Equations and Inequalities

Solve using the multiplication principle. - −4x<−15-4 x<-\frac{1}{5}−4x<−51​

Solve the problem. -A chemical solution contains 4%4 \%4% salt. How much salt is in 1 mL1 \mathrm{~mL}1 mL of solution?

Decide if the given number is a solution to the given equation. - x8=5;40\frac{x}{8}=5 ; 408x​=5;40

Provide an appropriate response. -What value of KKK makes this equation equivalent to x=3x=3x=3 ? 9 K+x=3\frac{9}{\mathrm{~K}+\mathrm{x}}=3 K+x9​=3

Solve the problem. -Brand X copier advertises that its copiers run 18%18 \%18% longer between service calls than its competitor. If Brand X copiers run 66,600 copies between service calls, how many copies would the competitor run (to the nearest copy)?