8th Grade Linear Algebra Final

Solve for d:   d - 12 = 10

Solve the system using elimination:

Subtract: -6 - 3 =

What is the equation that shows the relationship between x and y in the function table below?

Write the equation of the line with a slope of 1/2 and a y-intercept of -7.

Is the relation below a function? Explain your answer.

For the function y = 5x, is the ordered pair (2, 10) a solution?

Solve the system using elimination:

Solve for w:  P = L ∙ W

What key do you use to enter a function into your graphing calculator?

In the linear equality y < 2x - 3, the slope is ______?

Solve for t: 3 + t = 17

Simplify: (12rst)⁰

Solve this system by substitution:

What is the slope of a line that contains the points (4, 0) and (0, -3)?

Solve:  y + 20 < 35

Which graph shows y = -2x - 4? (Hint: Use your calculator.)

Simplify: 2 (11+13)

Identify the following as intersecting lines, parallel lines, or the same line.

Yes or No?: A system of equations is made up of 2 or more equations.

In y ≥ -5x + 3, the y-intercept is 3.

Solve this system by substitution:

Which graph shows:  x ≤ 5

Identify the following as intersecting lines, parallel lines, or the same line.

Which graph shows: x > 5

Write the equation of the graph below:

Write the equation of the line with a slope of 3 and a y-intercept of 1.

Which map shows: (-3, 2), (-1, -3), ( -1, 0), (4, -2)?

Solve for x: 3x=30

When graphing a linear inequality, the boundary line is ALWAYS solid.

Solve:  2(x+3) > -16

Which graph below matches the equation x = -5?

Yes or No?: The opposite of addition is multiplication.

Add: -6 + -8 =

Solve:

Solve for a:  4a + a - 11 = 24

Simplify: (y⁵)²

Solve for x:  7x - 11 = 10

Simplify: 4¹³ · 4¹⁰ =

Simplify: 5a² + 6a + 7a² + 3a

Solve for p:  6p + 2(p-1) = 22

Solve:  8 - 7n < -20

A way to represent "greater than" with a symbol is:

When solving an inequality, you flip the sign when you multiply or divide by a negative number.

Is the relation below a function? Explain your answer.

You and Michael have a total of $19.75. If Michael has $8.25, how much money do you have?

Solve:

Is the relation below a function? Explain your answer.

Solve:  4y ≥ 12

Which of the four tables below matches the function y = 1x + 2?

Simplify: 12r + 5 + 3r + 5

Simplify: 5(2+2y)

Solve:

Solve the problem:

What is the slope of the line below?

Graph the equation y = 2x - 4.

Yes or No?: The opposite of multiplication is division.

Add: -10 + 3 =

For the function f(x) = x - 3, evaluate f(1).

Solve the word problem: