8th/7th Adv. Math Semester Review

Solve for x:

3x + 4 = 9x + 3

• $\frac{1}{3}$

• $\frac{1}{6}$

• $-\frac{1}{3}$

• None of the above

The slope of the line that passes through the points (6,9) and (11,2) is

• $\frac{7}{5}$

• $-\frac{7}{5}$

• $\frac{5}{7}$

• $-\frac{5}{7}$

Solve the following linear equation for k.

2(k - 5) + 3k = k + 6

• k = 0

• k = 4

• k = -1

• k = 2

Find the slope and y-intercept from the following graph of a linear equation.

• slope = 4 and y-intercept = 3

• slope = 3 and y-intercept = 4

• slope = 4 and y-intercept = 5

• slope = 5 and y-intercept = 4

How many solutions does this equation have?

7a + 5(a + 3) = 8a + 4(a + 2)

• No solutions

• One solution

• Infinitely many solutions

• The equations are equal

The value of b when solving the equation 2(b + 12) = 16 is:

• 4

• -4

• 6

• -6

How many solutions does the equation

2 + 6(x - 4) = 3x - 18 + 3x have?

• 0

• 1

• 2

• Infinite

What is the solution to the equation?

-14 + 2x + 3 = 4x - 13 - 7x

• x = $\frac{-9}{16}$

• x= $\frac{-2}{5}$

• x= $\frac{2}{5}$

• x= $\frac{9}{16}$

How many solutions does the equation 5x + 1 = -5x + 10 have?

• 0

• 1

• 2

• Infinite

How many solutions does this equation have?

2x = 2x - 9

• no solutions

• one solution

• infinitely many solutions

• two solutions