Find the Coordinates of the Vertex and the Intercepts of the Quadratic

question 63

Multiple Choice

Find the coordinates of the vertex and the intercepts of the quadratic function. When necessary, approximate the
x-intercepts to the nearest tenth.
- $$s ( x ) = - x ^ { 2 } - 10 x + 39$$

• A) \(\mathrm { V } ( - 10 , \quad ) ; \mathrm { I } ( 0 , \quad ) ; ( - 10,0 ) ; ( 10,0 )\)
• B) \(\mathrm { V } ( - 5,64 ) ; \mathrm { I } ( 0 , \quad ) ; ( , 0 ) ; ( - 13,0 )\)
• C) \(\mathrm { V } ( 5,64 )\); \(\mathrm { I } ( 0,39 )\); no \(x\)-intercepts
• D) \(\mathrm { V } ( 10,39 )\); \(\mathrm { I } ( 0 , - 39 ) ; ( 13,0 )\); \(( - 3,0 )\)

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Definitions:

Stem Elongation

A phase of plant growth where the stem or shoot rapidly increases in length due to cell division and elongation.

Gibberellin

A class of plant hormones that regulate growth and influence various developmental processes, including stem elongation and germination.

Phototropism

The growth of a plant in response to the direction of light.

Biennial

Referring to plants or events occurring every two years, or plants that take two years to complete their lifecycle from germination to seed production.