5 Questions | Total Attempts: 103

Settings

Complete the following questions

• 1.
What is not another name for the root of an equation?
• A.

Zeros

• B.

X–intercepts

• C.

Vertex

• D.

Solutions

• 2.
Determine the solutions of the quadratic equation x2 + 4x + 1 = –2
• A.

X = 1, x = 4

• B.

X = 3, x = –2

• C.

X = 2, x = –2

• D.

X = –3, x = –1

• 3.
Which is the corresponding quadratic equation whose solutions are also the zeros of the function graphed below?
• A.

X^2 – x + 6 = 0

• B.

–x^2 – x + 6 = 0

• C.

X^2 + x + 6 = 0

• D.

X^2 + x – 6 = 0

• 4.
The surface area of a right circular cone with a slant height if 5cm can be modelled by the function SA(r)= πr2 + 5πr, where SA(r) is the surface area in cm2 and r is the radius in cm.  What is the root of the function?
• A.

0

• B.

1

• C.

π

• D.

5

• 5.
What are the solutions to the equation f(x) = x2 – 25 (hint: think difference of squares)
• A.

X = 5

• B.

X = –5, x = 0

• C.

X = 5, x = –5

• D.

X = –5

Related Topics