STAAR Calc Hacks

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

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Answer explanation

Parent functions are:

Linear: f(x) = x

Quadratic: f(x) = x^2

Exponential: f(x) = a* b^x

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Answer explanation

Calculator page, Menu, 3, 2

• B

• A

• C

• D

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

Which graph best represents y = −x² + 6x − 1?

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What is the positive solution to this equation?

4x² + 12x = 135

Label the Graph with the Correct Key Features.

1. ​ (a)   2. ​ (b)   ​

3. ​ (c)   ​ 4. ​ (d)  

• Y-Intercept
• Zero
• Vertex

Tags

A.7A