STAAR Review #1 03/25/2024

Write the equation of the graph.

HINT: Find two good points - List & Spreadsheet

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Mathematical Equivalence

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List & Spreadsheet

Find the roots of the equation 2x² ‒ 13x + 15 = 0.

Write your answer as x=#, x=#

HINT: Use Graph App, put in equation, MENU-Trace-Graph Trace Look for ZERO

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What is the solution to the equation

8x + 3(4x ‒ 7) = ‒11 + 15x ‒ 5?

HINT: Calc App use nSolve

MENU-Algebra-NumericalSolve- (equation,x) - ENTER

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Factor the quadratic expression.

HINT: Use Graph & Match

Graph App-Input Quadratic equation in f1

Put in each answer choice ONE at a time in f2

Go to the table - see if y-values match

• A

• B

• C

• D

DRAW and LABEL the following attributes of the graph.

Write the letter next to the part.

Label each part in a different color.

A)  Zeros

B) Vertex

C)  Max or Min

D)  Axis of symmetry

E)  Y‒intercept

Which set represents the range of the function for this situation?

• A

• B

• C

• D

Which set of data represents a function?

HINT: x's must be different

• (2, 5); (3, 5); (4, 7); (3, 9)    

• (5, 7); (7, 3); (3, 9); (9, 8) 

• (1, 8); (8, 1); (5, 1); (8; 1)

• (6, 0); (0, 5); (5, 7); (6, 2)

Which equation best represents the line shown on the grid?

• A

• B

• C

• D