Algebra 1 STAAR Review 1

Identify the roots of the function.

(Choose TWO points)

Identify the vertex of the function.

What value of p makes the equation

3p - 6 =3 (2p + 5) true?

Mathematical Equivalence

ON

Answer explanation

Find the value of p that will make the equation true.

SOLVE for p.

simplify both sides of equation then use inverse operations to get p by itself.

Use nSolve on ti-nspire (menu, 3, 1).

What are the domain and range of the linear function shown?​

​ Complete the sentence by selecting the correct answer from the drop-down menus

The domain of the linear function is​ ​ (a)   and the range is ​ (b)  

• {-2}

Answer explanation

Domain is found by scanning the X axis from LEFT to RIGHT.

Range is found by scanning the Y axis from BOTTOM to TOP.

open circles: < >

closed circles: < >

The table shows the height of a tree as a linear function of the number of years since it was planted. What is the rate of change in the tree's height?

• 2.5 ft/yr

• 4.5 ft/yr

• 3 ft/yr

• 4 ft/yr

Answer explanation

rate of change is the same as slope (m).

slope from a table can be found by dividing the change in y by the change in x.

you can also use list and spreadsheets function on the ti-nspire calculator then menu, 4, 1, 3