11/3 8th Math Spiral Review

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Match the following​ ​ (a)  

• Not a Function
• Function
• Linear Function
• Nonlinear Function

Graph the equation:

y = -x + 2

Graph the equation y = 3x + 4

• 4⁹
• 4⁴⁴
• 4²¹
• 4¹⁵

How many solutions will this equation have?

• one solution
• no solution
• infinite solutions
• none of these

• No Solution

• One Solution

• Infinite Solutions

Estimate the square root.

• 4.2
• 4
• 4.6
• 5

Identify the rational numbers.