expressions and equations FSA review

expressions and equations FSA review

By Consuelo Morales

Poll

temp check...

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Fill in the Blanks

Multiple Choice

In the graph below, triangle ABC is similar to triangle DEC.

Which statement is true?

• slope of EC = slope of CB

• slope of DE = slope of AC

• $$\frac{\text{DE}}{\text{CD}}=\ \frac{BC}{AC}$$  

• $$\frac{CD}{DE}=\ \frac{AB}{AC}$$  

Poll

In a system of two linear equations, the lines represented by each equation have the same slope.

Which could be the total number of solutions to the system of equations?

• no solutions

• 1 solution

• 2 solutions

• 3 solutions

• infinitely many solutions

Multiple Choice

Which equation has no solution?

• $$-5+8x-9=3\left(x+3\right)$$  

• $$-2\left(6-3x\right)=-12+6x$$  

• $$6-2\left(3-2x\right)=-4\left(3-x\right)$$  

• $$-\left(4x+9\right)=2x-3\left(2x+3\right)$$  

Fill in the Blanks

Solve the system of equations by substitution. Enter your answer as (x,y).

Draw

What is the solution of the system?

Multiple Choice

• 0

• 1

• 2

• Infinite

• there is not enough information to determine how many of points of intersection