Chapter 9 Quiz-Algebra 1

Simplify:

• 4√30
• √4√30
• √2√30
• 2√30

Simplify:

• 81√3
• 9√3
• 3√3
• √3

√(45x⁴y⁷)

• 3x²y³√5
• 9x²y³√(5y)
• 3x²y³√(5y)
• 3x⁴y⁷

Simplify:

• √5
• (√14)/2
• √7
• Cannot be simplified

Simplify:      √121p⁵r⁷s⁴?

• 11prs √pr
• 11p⁴r⁶s² √pr
• 11p²r³s² √pr
• 11p²r³s²

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Calculate the roots of the quadratic.

• x = 6 and 3

• x = 1 and 0

• x = 0 and 3

• x = 3 and 1

What are the zeros of x²+9x+14

• 2, 7
• -2, -7
• 2, -7
• -2, 7

What are the solutions of this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6